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Caramel Apple Crumble Bars

Caramel apple crumble bars made with buttery oat crumbs and sweet-tart apples baked in a sheet pan. You’ll get a crisp, crumbly top with tender apple filling and caramel drizzled through every slice.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 12 servings
Course: Dessert
Cuisine: American
Calories: 340
Ingredients Equipment Method Notes

Ingredients
  

Caramel apple crumble bars
  • 3 cup all-purpose flour
  • 1.5 cup old-fashioned oats
  • 1.5 cup brown sugar
  • 1.5 cup butter, melted
  • 1 tsp cinnamon
  • 6 apples, sliced
  • 0.5 cup caramel sauce
  • 2 tbsp cornstarch

Equipment

  • 1 sheet pan

Method
 

Make the crumble and layer the pan
  1. Preheat the oven to 350°F and line a 9x13-inch sheet pan with parchment for easy lifting. Set it aside while you mix the crumble.
  2. Mix the all-purpose flour, old-fashioned oats, brown sugar, butter, melted, and cinnamon until the mixture looks evenly crumbly. Rub it lightly between your fingers to distribute the butter.
  3. Press half of the crumble into the lined 9x13-inch sheet pan to form an even bottom layer. Pack it firmly so the bars hold together.
  4. Toss the apples, sliced with the cornstarch until the slices are lightly coated. Spread the apples over the base in an even layer.
  5. Drizzle the caramel sauce over the apples, then sprinkle the remaining crumble on top. Cover as much of the apples as possible so the top bakes crisp.
Bake
  1. Bake at 350°F for 45 minutes, until the edges are golden and the crumble looks set. If the center looks loose, bake a few extra minutes until it firms up.

Notes

Pro tip: parchment-lined baking makes lifting and slicing much cleaner—lift the slab out and cut once fully set. Store covered in the refrigerator up to 4 days; rewarm briefly for a crispier top. Freezing is yes: wrap individual bars and freeze up to 2 months, thaw overnight in the fridge. For a lighter option, use reduced-fat butter or a sugar-reduced caramel sauce to cut sweetness while keeping the oat crumble texture.