diff --git a/web/src/settings/RegularsSettingsPage.tsx b/web/src/settings/RegularsSettingsPage.tsx
index c816b49..3c9eae0 100644
--- a/web/src/settings/RegularsSettingsPage.tsx
+++ b/web/src/settings/RegularsSettingsPage.tsx
@@ -80,7 +80,10 @@ export function RegularsSettingsPage() {
 // Which sheet is open, for which Regular.
 type Open = { sheet: 'edit' | 'fix'; id: string } | null
 
-function RegularsManager() {
+// RegularsManager lists, adds, edits and fixes the recipes of the
+// household's Regulars: this page's body, and the Settings "Regular
+// dinners" sub-tab at tablet and desktop widths.
+export function RegularsManager() {
   const regulars = useRegulars()
   const add = useAddRegular()
   const remove = useRemoveRegular()
diff --git a/web/src/settings/SettingsPage.test.tsx b/web/src/settings/SettingsPage.test.tsx
index 64b4f54..2ed62d4 100644
--- a/web/src/settings/SettingsPage.test.tsx
+++ b/web/src/settings/SettingsPage.test.tsx
@@ -104,7 +104,10 @@ describe('SettingsPage', () => {
     expect(await screen.findByText('America/New_York · Dinner at 5:30 pm')).toBeInTheDocument()
     expect(within(row('AI assistant')).getByText('Anthropic · Claude Sonnet')).toBeInTheDocument()
     expect(within(row('Household')).getByText('America/New_York · Dinner at 5:30 pm')).toBeInTheDocument()
+    // The rotation count and the hidden Regular dinners sub-tab both read
+    // the Regulars.
     expect(fetchMock.mock.calls.map(([input]) => String(input)).sort()).toEqual([
+      REGULARS_PATH,
       REGULARS_PATH,
       CALENDAR_PATH,
       '/api/v1/settings/ai',
@@ -117,7 +120,7 @@ describe('SettingsPage', () => {
   })
 
   it('shows the not-yet-available states while the server has no endpoint for them', async () => {
-    stubSettings()
+    stubSettings({ [REGULARS_PATH]: () => errorResponse(404, 'not_found') })
     renderSettings()
     expect(await within(row('Regular dinners')).findByText('Rotation count unavailable')).toBeInTheDocument()
     expect(
diff --git a/web/src/settings/SettingsTabs.module.css b/web/src/settings/SettingsTabs.module.css
index 16d6567..acc6dce 100644
--- a/web/src/settings/SettingsTabs.module.css
+++ b/web/src/settings/SettingsTabs.module.css
@@ -101,24 +101,3 @@
   padding: 24px;
   border-radius: 30px;
 }
-
-.placeholder {
-  display: flex;
-  flex-direction: column;
-  gap: 14px;
-}
-
-.cardTitle {
-  margin: 0;
-  font-family: var(--font-heading);
-  font-size: 22px;
-  font-weight: 400;
-}
-
-.hint {
-  margin: 0;
-  font-family: var(--font-body);
-  font-size: 14px;
-  line-height: 1.45;
-  color: var(--color-neutral-700);
-}
diff --git a/web/src/settings/SettingsTabs.test.tsx b/web/src/settings/SettingsTabs.test.tsx
index eb9da10..63a30b4 100644
--- a/web/src/settings/SettingsTabs.test.tsx
+++ b/web/src/settings/SettingsTabs.test.tsx
@@ -11,9 +11,11 @@ import {
   HOUSEHOLD_SETTINGS,
   NOTIFICATION_SETTINGS,
   RECIPE_SEARCH_SETTINGS,
+  SETTINGS_REGULARS,
 } from '../test/ApiProviders.tsx'
 import { InDataRouter } from '../test/dataRouter.tsx'
-import { errorResponse, fakeLocation, jsonResponse, ME } from '../test/fetchStub.ts'
+import { dinnerBody, type DinnerBody } from '../test/dinners.ts'
+import { fakeLocation, jsonResponse, ME } from '../test/fetchStub.ts'
 import { expectMinHitArea } from '../test/hitArea.ts'
 import { mockViewport } from '../test/matchMedia.ts'
 import { SettingsPage } from './SettingsPage.tsx'
@@ -32,6 +34,7 @@ function stubAPI(responders: Record<string, Responder> = {}): Mock<typeof fetch>
     'GET /api/v1/settings/recipe-search': () => jsonResponse(200, RECIPE_SEARCH_SETTINGS),
     'GET /api/v1/settings/notifications': () => jsonResponse(200, NOTIFICATION_SETTINGS),
     'GET /api/v1/settings/chat-webhook': () => jsonResponse(200, CHAT_WEBHOOK),
+    'GET /api/v1/dinners?status=regular': () => jsonResponse(200, SETTINGS_REGULARS),
     ...responders,
   }
   const fetchMock = vi.fn<typeof fetch>((input, init) => {
@@ -121,7 +124,7 @@ describe.each([1440, 1180])('SettingsPage at %i px (mock 2e)', (width) => {
     expect(tab('Regular dinners')).toHaveAttribute('aria-selected', 'true')
     expect(tab('Regular dinners')).toHaveFocus()
     expect(panel('Regular dinners')).toBeVisible()
-    expect(within(panel('Regular dinners')).getByRole('region', { name: 'Regular dinners' })).toBeInTheDocument()
+    expect(await within(panel('Regular dinners')).findByRole('heading', { name: 'On rotation · 1' })).toBeInTheDocument()
     expect(panel('Household')).not.toBeVisible()
 
     fireEvent.keyDown(tab('Regular dinners'), { key: 'End' })
@@ -165,6 +168,123 @@ describe.each([1440, 1180])('SettingsPage at %i px (mock 2e)', (width) => {
   })
 })
 
+const TACOS = dinnerBody('d1', 'Beef tacos', { method: 'stovetop', minutes_total: 40, difficulty: 'easy' })
+const PIZZA = dinnerBody('d3', 'Pizza night', { grounding_status: 'failed', grounding_error: 'no_recipe_found' })
+
+// stubRegulars answers the Regulars from server.regulars, so a write's
+// responder changes what the next read sees.
+function stubRegulars(regulars: DinnerBody[], responders: (server: { regulars: DinnerBody[] }) => Record<string, Responder>) {
+  const server = { regulars }
+  const fetchMock = stubAPI({
+    'GET /api/v1/dinners?status=regular': () => jsonResponse(200, { dinners: server.regulars }),
+    ...responders(server),
+  })
+  return { server, fetchMock }
+}
+
+// writes lists the requests other than GETs, as method, path and body.
+function writes(fetchMock: Mock<typeof fetch>) {
+  return fetchMock.mock.calls
+    .filter(([, init]) => (init?.method ?? 'GET') !== 'GET')
+    .map(([input, init]) => [init?.method, String(input), init?.body])
+}
+
+// openRegulars shows the Regular dinners tab once its Regulars have loaded.
+async function openRegulars() {
+  fireEvent.click(tab('Regular dinners'))
+  const regulars = within(panel('Regular dinners'))
+  await regulars.findByRole('heading', { level: 2, name: /^On rotation/ })
+  return regulars
+}
+
+function regularRow(name: string) {
+  const item = within(screen.getByRole('list', { name: 'Regulars' }))
+    .getAllByRole('listitem')
+    .find((li) => within(li).queryByText(name) !== null)
+  if (item === undefined) throw new Error(`no Regular row named ${name}`)
+  return within(item)
+}
+
+describe.each([1440, 1180])('SettingsPage Regular dinners tab at %i px (mock 2e)', (width) => {
+  it('lists the Regulars as /settings/regulars does, under the page title rather than its own', async () => {
+    stubRegulars([TACOS, PIZZA], () => ({}))
+    await renderAt(width)
+    const regulars = await openRegulars()
+    expect(regulars.getByRole('heading', { level: 2, name: 'On rotation · 2' })).toBeInTheDocument()
+    expect(regularRow('Beef tacos').getByText('Stovetop · 40 min')).toBeInTheDocument()
+    expect(regularRow('Beef tacos').getByText('Recipe found')).toBeInTheDocument()
+    expect(regularRow('Pizza night').getByText('Needs a recipe')).toBeInTheDocument()
+    expect(regulars.getByRole('textbox', { name: 'Add a Regular' })).toBeInTheDocument()
+    expect(screen.getAllByRole('heading', { level: 1 }).map((h) => h.textContent)).toEqual(['Settings'])
+    expect(regulars.queryByRole('button', { name: 'Back to Settings' })).not.toBeInTheDocument()
+  })
+
+  it('adds a Regular by name', async () => {
+    const { fetchMock } = stubRegulars([TACOS], (server) => ({
+      'POST /api/v1/dinners': (body) => {
+        const created = dinnerBody('d9', (body as { name: string }).name, { grounding_status: 'pending' })
+        server.regulars = [...server.regulars, created]
+        return jsonResponse(201, { ...created, grounding_job_id: 'job-1' })
+      },
+    }))
+    await renderAt(width)
+    const regulars = await openRegulars()
+    fireEvent.change(regulars.getByRole('textbox', { name: 'Add a Regular' }), { target: { value: 'Chicken enchiladas' } })
+    fireEvent.click(regulars.getByRole('button', { name: 'Add Regular' }))
+
+    expect(await regulars.findByRole('heading', { level: 2, name: 'On rotation · 2' })).toBeInTheDocument()
+    expect(regularRow('Chicken enchiladas').getByText('Finding recipe…')).toBeInTheDocument()
+    expect(writes(fetchMock)).toEqual([['POST', '/api/v1/dinners', JSON.stringify({ name: 'Chicken enchiladas' })]])
+  })
+
+  it('edits a Regular in its sheet', async () => {
+    const { fetchMock } = stubRegulars([TACOS], (server) => ({
+      'PATCH /api/v1/dinners/d1': (body) => {
+        const edited = { ...TACOS, ...(body as object) }
+        server.regulars = [edited]
+        return jsonResponse(200, edited)
+      },
+    }))
+    await renderAt(width)
+    await openRegulars()
+    fireEvent.click(regularRow('Beef tacos').getByRole('button', { name: /^Beef tacos/ }))
+    const sheet = within(screen.getByRole('dialog', { name: 'Edit Beef tacos' }))
+    fireEvent.change(sheet.getByLabelText('Minutes'), { target: { value: '25' } })
+    fireEvent.click(sheet.getByRole('button', { name: 'Save changes' }))
+
+    await waitFor(() => expect(screen.queryByRole('dialog')).not.toBeInTheDocument())
+    expect(writes(fetchMock)).toEqual([['PATCH', '/api/v1/dinners/d1', JSON.stringify({ minutes_total: 25 })]])
+    expect(await regularRow('Beef tacos').findByText('Stovetop · 25 min')).toBeInTheDocument()
+  })
+
+  it('fixes the recipe of a Regular that needs one', async () => {
+    const { fetchMock } = stubRegulars([PIZZA], (server) => ({
+      'GET /api/v1/dinners/d3/recipe-candidates': () =>
+        jsonResponse(200, {
+          candidates: [
+            { candidate_id: 'https://example.com/pizza', title: 'Weeknight pizza', site_name: 'Example Kitchen', photo_url: null, minutes: 45 },
+          ],
+        }),
+      'POST /api/v1/dinners/d3/ground': () => {
+        const fixed = { ...PIZZA, grounding_status: 'grounded', grounding_error: null }
+        server.regulars = [fixed]
+        return jsonResponse(200, fixed)
+      },
+    }))
+    await renderAt(width)
+    await openRegulars()
+    fireEvent.click(regularRow('Pizza night').getByRole('button', { name: /^Pizza night/ }))
+    const sheet = within(screen.getByRole('dialog', { name: 'Fix recipe' }))
+    fireEvent.click(await sheet.findByRole('button', { name: 'Use Weeknight pizza from Example Kitchen' }))
+
+    await waitFor(() => expect(screen.queryByRole('dialog')).not.toBeInTheDocument())
+    expect(writes(fetchMock)).toEqual([
+      ['POST', '/api/v1/dinners/d3/ground', JSON.stringify({ candidate_id: 'https://example.com/pizza' })],
+    ])
+    expect(await regularRow('Pizza night').findByText('Recipe found')).toBeInTheDocument()
+  })
+})
+
 describe('SettingsPage reminder time across tabs', () => {
   it('shows a reminder time saved on Notifications in the Household tab, keeping its draft', async () => {
     const saved = { ...HOUSEHOLD_SETTINGS }
@@ -195,10 +315,7 @@ describe('SettingsPage reminder time across tabs', () => {
 
 describe('SettingsPage across the 768 px breakpoint', () => {
   it('shows the mobile list below 768 px and the sub-tabs from 768 px', async () => {
-    stubAPI({
-      'GET /api/v1/dinners?status=regular': () => errorResponse(404, 'not_found'),
-      'GET /api/v1/integrations/google': () => jsonResponse(200, GOOGLE_NOT_CONNECTED),
-    })
+    stubAPI({ 'GET /api/v1/integrations/google': () => jsonResponse(200, GOOGLE_NOT_CONNECTED) })
     const resize = await renderAt(767)
     expect(screen.getByRole('link', { name: /^AI assistant/ })).toHaveAttribute('href', '/settings/ai')
     expect(screen.queryByRole('tablist')).not.toBeInTheDocument()
@@ -209,10 +326,7 @@ describe('SettingsPage across the 768 px breakpoint', () => {
   })
 
   it('keeps an unsaved draft and its leave guard across 1180 px, 390 px and back', async () => {
-    stubAPI({
-      'GET /api/v1/dinners?status=regular': () => errorResponse(404, 'not_found'),
-      'GET /api/v1/integrations/google': () => jsonResponse(200, GOOGLE_NOT_CONNECTED),
-    })
+    stubAPI({ 'GET /api/v1/integrations/google': () => jsonResponse(200, GOOGLE_NOT_CONNECTED) })
     const resize = await renderAt(1180)
     fireEvent.change(await screen.findByRole('textbox', { name: 'System prompt' }), {
       target: { value: 'A draft' },
diff --git a/web/src/settings/SettingsTabs.tsx b/web/src/settings/SettingsTabs.tsx
index ab706be..f5d45ba 100644
--- a/web/src/settings/SettingsTabs.tsx
+++ b/web/src/settings/SettingsTabs.tsx
@@ -1,11 +1,11 @@
 import { useId, useRef, useState, type KeyboardEvent, type ReactNode } from 'react'
 import { useBreakpoint, useOrientation } from '../shell/useBreakpoint.ts'
-import { Card } from '../ui/Card.tsx'
 import { AIAssistantCard } from './AISettingsPage.tsx'
 import { HouseholdSettingsSections } from './HouseholdSettingsPage.tsx'
 import { LeaveGuard } from './LeaveGuard.tsx'
 import { ChatWebhookCard, NotificationsCard } from './NotificationsPage.tsx'
 import { RecipeSearchCard } from './RecipeSearchCard.tsx'
+import { RegularsManager } from './RegularsSettingsPage.tsx'
 import styles from './SettingsTabs.module.css'
 
 type Tab = 'household' | 'regulars' | 'notifications-ai'
@@ -101,13 +101,7 @@ export function SettingsTabs({ hidden = false }: { hidden?: boolean }) {
 
       {panel('household', styles.single, <HouseholdSettingsSections onDirtyChange={setHouseholdDirty} />)}
 
-      {panel(
-        'regulars',
-        styles.single,
-        // TODO(Feature 12): embed the Regular dinners screen here once Feature
-        // 12 builds it.
-        <Placeholder title="Regular dinners">Managing the household's Regulars arrives in a later update.</Placeholder>,
-      )}
+      {panel('regulars', styles.single, <RegularsManager />)}
 
       {panel(
         'notifications-ai',
@@ -128,17 +122,3 @@ export function SettingsTabs({ hidden = false }: { hidden?: boolean }) {
     </div>
   )
 }
-
-// Placeholder is a neutral card holding a section's place until the feature
-// that owns it renders it.
-function Placeholder({ title, children }: { title: string; children: ReactNode }) {
-  const titleId = useId()
-  return (
-    <Card className={styles.placeholder} aria-labelledby={titleId} role="region">
-      <h2 id={titleId} className={styles.cardTitle}>
-        {title}
-      </h2>
-      <p className={styles.hint}>{children}</p>
-    </Card>
-  )
-}
diff --git a/web/src/test/ApiProviders.tsx b/web/src/test/ApiProviders.tsx
index febea05..37a602a 100644
--- a/web/src/test/ApiProviders.tsx
+++ b/web/src/test/ApiProviders.tsx
@@ -2,7 +2,8 @@ import { QueryClientProvider } from '@tanstack/react-query'
 import { useState, type ReactNode } from 'react'
 import { ApiProvider, createApiClient, createQueryClient, createVerifiedSession } from '../api/index.ts'
 import { createNetworkStatus } from '../pwa/networkStatus.ts'
-import { errorResponse, fakeLocation, jsonResponse } from './fetchStub.ts'
+import { dinnerBody } from './dinners.ts'
+import { fakeLocation, jsonResponse } from './fetchStub.ts'
 
 // AI_SETTINGS is a GET /api/v1/settings/ai body: Anthropic with a verified key.
 export const AI_SETTINGS = {
@@ -99,12 +100,16 @@ export const CHAT_WEBHOOK = {
   last_test_status: null,
 }
 
+// SETTINGS_REGULARS is a GET /api/v1/dinners?status=regular body: one
+// Regular, its recipe found.
+export const SETTINGS_REGULARS = { dinners: [dinnerBody('r1', 'Beef tacos')] }
+
 // SETTINGS_API answers the settings home's requests, for stubFetchByPath, as
-// today's server does: the dinners endpoint does not exist yet, and neither
-// Google Calendar nor Google Chat is connected. The home's sub-tabs stay mounted on mobile, so
-// it also reads the AI models and recipe search settings.
+// today's server does: one Regular on rotation, and neither Google Calendar
+// nor Google Chat connected. The home's sub-tabs stay mounted on mobile, so
+// it also reads the Regulars list, the AI models and recipe search settings.
 export const SETTINGS_API = {
-  '/api/v1/dinners?status=regular': () => errorResponse(404, 'not_found'),
+  '/api/v1/dinners?status=regular': () => jsonResponse(200, SETTINGS_REGULARS),
   '/api/v1/integrations/google': () => jsonResponse(200, GOOGLE_NOT_CONNECTED),
   '/api/v1/settings/notifications': () => jsonResponse(200, NOTIFICATION_SETTINGS),
   '/api/v1/settings/chat-webhook': () => jsonResponse(200, CHAT_WEBHOOK_NONE),