diff --git a/frontend/src/routes/(app)/planner/+page.svelte b/frontend/src/routes/(app)/planner/+page.svelte
index cb3575f..a75bd86 100644
--- a/frontend/src/routes/(app)/planner/+page.svelte
+++ b/frontend/src/routes/(app)/planner/+page.svelte
@@ -25,7 +25,20 @@
 
 	let days = $derived(weekDays(weekStart));
 	let slots = $derived(weekPlan?.slots ?? []);
-	let slotMap = $derived(Object.fromEntries(slots.map((s: any) => [s.slotDate, s])));
+	// SlotRecipe from the API has no tags — merge from data.recipes by id
+	const recipeById = $derived(
+		Object.fromEntries((data.recipes ?? []).map((r: any) => [r.id, r]))
+	);
+	let slotMap = $derived(
+		Object.fromEntries(
+			slots.map((s: any) => [
+				s.slotDate,
+				s.recipe
+					? { ...s, recipe: { ...s.recipe, tags: recipeById[s.recipe.id]?.tags ?? [] } }
+					: s
+			])
+		)
+	);
 
 	// Default selected day: today if in this week, else first day
 	// We read data.weekStart once synchronously here (before reactivity kicks in) to seed the initial value.