Liège Apple and Potato Casserole

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A comforting casserole featuring sweet apples and potatoes baked with herbs, inspired by Liège's agricultural heritage. This belgian-inspired vegetarian ready in about 60 minutes pairs potato, apple, butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 4.4 (10 ratings) Prep: 20 min Cook: 40 min Serves 6 Belgian cuisine 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. Melt 3 tbsp butter in a skillet over medium heat, then add sliced potatoes and cook for 5 minutes until slightly softened. Add sliced apples and cook for 3 minutes until fragrant.
  2. Step 2: Stir in dried thyme, 1 tbsp flour, 1/2 cup chicken broth, salt, and pepper. Cook for 2 minutes until thickened, then transfer to a greased 8x8-inch baking dish.
  3. Step 3: Bake uncovered for 40 minutes until potatoes are tender and golden at the edges, stirring once halfway through cooking.
  4. Step 4: Let rest for 10 minutes before serving to allow flavors to meld.

Frequently asked questions

How long does Liège Apple and Potato Casserole take to make?

Total time is about 60 minutes (20 min prep + 40 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Liège Apple and Potato Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep potato from drying out.

Can I substitute ingredients in Liège Apple and Potato Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Liège Apple and Potato Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Liège Apple and Potato Casserole?

Belgian vegetarian like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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