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Peach Crumb Bars on a white late with fresh peaches in the background.
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5 from 8 votes

Peach Crumb Bars

Delicious dessert with an oatmeal crust and topping and a juicy peach filling.
Prep Time15 mins
Cook Time2 hrs
Total Time2 hrs 15 mins
Course: Dessert
Cuisine: American
Keyword: peach bar, peach crumb bar, peach dessert
Servings: 12 slices
Calories: 352kcal
Author: Kathy



  • 1 1/2 cups flour
  • 1 1/2 cup oats old fashioned or rolled
  • 3/4 cup brown sugar
  • 1 teaspoon ground cinnamon
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 cup butter melted


  • 5 cups peaches peeled, pitted and chopped
  • 3 Tablespoons corn starch
  • 1/2 cup brown sugar
  • 1 teaspoon ground cinnamon



  • Combine flour, oats, brown sugar, cinnamon, baking powder and salt together.
  • Add butter and stir until combined.
  • Place half the crust mixture into a 9 x 13" greased baking dish. Press mixture down so it makes an even crust.
  • Bake crust in a preheated 375 degree oven for 15 minutes.


  • Combine peaches, corn starch, brown sugar and cinnamon together in a bowl.

Assemble Bars

  • Allow baked crust to cool slightly.
  • Spoon peaches out and place on top of crust. Don't use all the excess juice from the peaches.
  • Bake in a preheated 375 degree oven for 45-50 minutes.
  • Allow bars to fully cool before slicing and serving.


  • Bars are best eaten on the same day as baked
  • Fresh or frozen peaches may be used. If using frozen, allow peaches to thaw before using.
  • Use a slotted spoon to remove peach mixture. Some juice added to the bars is okay, but the extra juice should be discarded. 


Serving: 1bar | Calories: 352kcal | Carbohydrates: 50g | Protein: 4g | Fat: 16g | Saturated Fat: 10g | Cholesterol: 41mg | Sodium: 191mg | Potassium: 244mg | Fiber: 3g | Sugar: 28g | Vitamin A: 682IU | Vitamin C: 4mg | Calcium: 53mg | Iron: 2mg