Baked Cinnamon Mango Crisp with Oat Topping

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

A sweet tropical mango filling topped with a crunchy cinnamon oat crust, baked until bubbly and golden for a comforting dessert. This american-inspired desserts ready in about 55 minutes layers peeled and diced ripe mangoes, granulated sugar, fresh 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 250 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: 40 min Serves 6 American cuisine 250 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 350°F. In a medium bowl, combine 3 cups diced mangoes, 1/3 cup granulated sugar, 1 tbsp fresh lemon juice, and 1 tsp ground cinnamon. Stir gently to coat.
  2. Step 2: Transfer mango mixture into a greased 8x8-inch baking dish, spreading evenly.
  3. Step 3: In another bowl, mix 1 cup rolled oats, 1/2 cup all-purpose flour, 1/3 cup packed brown sugar, and 1/4 tsp salt.
  4. Step 4: Pour 6 tbsp melted unsalted butter over the oat mixture and stir until crumbly and well combined.
  5. Step 5: Sprinkle the oat topping evenly over the mango filling.
  6. Step 6: Bake for 35-40 minutes until the topping is golden brown and mango filling is bubbly.
  7. Step 7: Let cool slightly before serving; delicious with vanilla ice cream if desired.

Equipment for this recipe

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Frequently asked questions

How long does Baked Cinnamon Mango Crisp with Oat Topping take to make?

Total time is about 55 minutes (15 min prep + 40 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 Baked Cinnamon Mango Crisp with Oat 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 Baked Cinnamon Mango Crisp with Oat 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 Baked Cinnamon Mango Crisp with Oat Topping 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 Baked Cinnamon Mango Crisp with Oat 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.