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Lemon Oatmeal Crumble Bars

Buttery oatmeal crumble layers sandwich a creamy, tangy lemon filling in these easy, crowd-pleasing bars.
Print Recipe
Prep Time 15 minutes
Cook Time 35 minutes
Chilling 2 hours
Total Time 50 minutes
Servings: 16 bars
Course: Dessert, Snack
Cuisine: American
Calories: 250
Ingredients Equipment Method Notes

Ingredients
  

Crumble
  • 1.5 cups all-purpose flour
  • 1.5 cups old-fashioned rolled oats
  • 1 cup packed light brown sugar
  • 0.5 tsp baking powder
  • 0.25 tsp baking soda
  • 0.25 tsp salt
  • 0.75 cup unsalted butter melted
  • 1 tsp vanilla extract
Filling
  • 14 oz sweetened condensed milk 1 can
  • 0.5 cup fresh lemon juice
  • 1 tbsp lemon zest
  • 2 large egg yolks optional

Equipment

  • 8x8 or 9x9 baking pan
  • Mixing bowls
  • Whisk
  • Parchment paper

Method
 

  1. Preheat oven to 350°F (175°C). Line pan with parchment.
  2. Mix flour, oats, brown sugar, baking powder, soda, salt. Stir in melted butter and vanilla to form crumbs.
  3. Reserve 1.5 cups crumbs. Press rest into pan base. Bake 10-12 min.
  4. Whisk condensed milk, lemon juice, zest, and yolks for filling.
  5. Pour filling over crust. Sprinkle reserved crumbs on top.
  6. Bake 20-25 min until golden and set. Cool, then chill 2+ hours.
  7. Cut into bars and serve.

Notes

Chill for best slicing. Store refrigerated up to 5 days.