Oven-Baked Cinnamon Apple Crisp with Oats

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

A warm and comforting apple crisp baked with a crunchy oat topping infused with cinnamon and brown sugar. This desserts ready in about 60 minutes layers medium tart apples, peeled and sliced, granulated sugar, lemon juice into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 280 calories and feeds 6, so it slots into a weekend bake or a special-occasion dessert tray. 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.

Prep: 15 min Cook: 45 min Serves 6 Desserts cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat your oven to 350°F. In a large mixing bowl, toss 5 cups peeled and sliced tart apples with 1/3 cup granulated sugar, 2 tsp lemon juice, and 1 tsp ground cinnamon until the apples are well coated.
  2. Step 2: Transfer the apple mixture evenly into a 9-inch square baking dish.
  3. Step 3: In another bowl, combine 1 cup old-fashioned rolled oats, 3/4 cup all-purpose flour, and 2/3 cup packed brown sugar. Add 6 tbsp cold unsalted butter cut into cubes.
  4. Step 4: Using your fingertips or a pastry cutter, work the butter into the oat mixture until it resembles coarse crumbs with some pea-sized pieces.
  5. Step 5: Sprinkle the oat topping evenly over the apple mixture in the baking dish.
  6. Step 6: Bake uncovered for 45 minutes until the topping is golden brown and the apple filling is bubbling around the edges.
  7. Step 7: Remove from the oven and let cool for 10 minutes before serving warm, optionally with vanilla ice cream.

Equipment for this recipe

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Frequently asked questions

How long does Oven-Baked Cinnamon Apple Crisp with Oats take to make?

Total time is about 60 minutes (15 min prep + 45 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Oven-Baked Cinnamon Apple Crisp with Oats?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Oven-Baked Cinnamon Apple Crisp with Oats?

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 Oven-Baked Cinnamon Apple Crisp with Oats 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 Oven-Baked Cinnamon Apple Crisp with Oats?

Desserts desserts 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.