Heirloom Apple Pie with Oat Crumble Topping

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

A classic family recipe featuring tart heirloom apples slow-cooked in a cinnamon-spiced filling, topped with a buttery oat crumble for a comforting dessert that honors tradition. This american-inspired desserts ready in about 75 minutes layers Tart apples, Granulated sugar, All-purpose flour 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 315 calories and feeds 8, 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: 25 min Cook: 50 min Serves 8 American cuisine 315 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F (190°C). Toss the 4 cups sliced tart apples with 1/4 cup granulated sugar, 2 tbsp all-purpose flour, 1 tsp ground cinnamon, and 1/4 tsp ground nutmeg until evenly coated.
  2. Step 2: Transfer the apple mixture to a 9-inch pie dish and dot with 1/4 cup cold cubed unsalted butter.
  3. Step 3: In a separate bowl, combine 1/2 cup rolled oats, 1/4 cup all-purpose flour, 1/4 cup brown sugar, and 1/4 tsp salt. Using a pastry cutter, mix until crumbly.
  4. Step 4: Sprinkle the crumble mixture evenly over the apples and bake for 45-55 minutes until filling bubbles and topping is golden brown (cover edges with foil if browning too quickly after 30 minutes).

Frequently asked questions

How long does Heirloom Apple Pie with Oat Crumble Topping take to make?

Total time is about 75 minutes (25 min prep + 50 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 Heirloom Apple Pie with Oat Crumble Topping?

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 Heirloom Apple Pie with Oat Crumble Topping?

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 Heirloom Apple Pie with Oat Crumble Topping for a different number of people?

The recipe is written for 8 servings. Multiply each ingredient by (your serving target / 8). 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 Heirloom Apple Pie with Oat Crumble Topping?

American 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.

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