One-Bowl Cinnamon Apple Crisp Bars

By AislePrompt Editorial · ·

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

Soft and tender apple bars with a cinnamon-spiced oat crumble topping, all made in one bowl for easy prep and cleanup. This American-inspired recipe, ready in about 55 minutes, layers all-purpose flour, rolled oats, brown sugar 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 180 calories and feeds 16, 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 16 American cuisine 180 cal/serving
Build a week of meals around this recipe → Shop this recipe on Instacart → Shop equipment ↓

Ingredients

The bakeware we’d bake this in → Best Bakeware Sets in 2026: Top Picks + Buying Guide

Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →

Equipment for this recipe

Tools this recipe's steps call for, with a link to each on Amazon.

More Bakeware & baking tools → Shop all kitchen tools →

Instructions

  1. Step 1: Preheat oven to 350°F. In a large mixing bowl, whisk together 1 1/2 cups all-purpose flour, 1 cup rolled oats, 3/4 cup packed brown sugar, 2 teaspoons ground cinnamon, 1/2 teaspoon baking powder, and 1/4 teaspoon salt.
  2. Step 2: Add 3/4 cup melted unsalted butter, 2 large eggs, and 1 teaspoon vanilla extract to the dry ingredients and stir with a wooden spoon until fully combined into a thick batter.
  3. Step 3: Fold in 2 cups peeled and diced apples and 1/4 cup granulated sugar until evenly distributed.
  4. Step 4: Spread the mixture evenly into a greased 9x9-inch square baking pan, smoothing the top with a spatula.
  5. Step 5: Bake for 35-40 minutes until the edges are golden brown and a toothpick inserted into the center comes out clean.
  6. Step 6: Let cool completely before cutting into 16 bars for serving.

Related recipes