diff --git a/src/lib/server/db/migrations/013_shopping_list.sql b/src/lib/server/db/migrations/013_shopping_list.sql
new file mode 100644
index 0000000..fde54f9
--- /dev/null
+++ b/src/lib/server/db/migrations/013_shopping_list.sql
@@ -0,0 +1,18 @@
+-- Einkaufsliste: haushaltsweit geteilt. shopping_cart_recipe haelt die
+-- Rezepte im Wagen (inkl. gewuenschter Portionsgroesse), shopping_cart_check
+-- die abgehakten aggregierten Zutaten-Zeilen. Aggregation wird bei jedem
+-- Read aus shopping_cart_recipe JOIN ingredient derived — nichts
+-- materialisiert, damit Rezept-Edits live durchschlagen.
+CREATE TABLE shopping_cart_recipe (
+  recipe_id INTEGER PRIMARY KEY REFERENCES recipe(id) ON DELETE CASCADE,
+  servings INTEGER NOT NULL CHECK (servings > 0),
+  added_by_profile_id INTEGER REFERENCES profile(id) ON DELETE SET NULL,
+  added_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE shopping_cart_check (
+  name_key TEXT NOT NULL,
+  unit_key TEXT NOT NULL,
+  checked_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (name_key, unit_key)
+);