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Lemon Blueberry Oatmeal Bars

Lemon Blueberry Oatmeal Bars

  • Author: Colleen
  • Prep Time: 10 mins
  • Cook Time: 20 mins
  • Total Time: 30 mins
  • Yield: 9 bars 1x
  • Diet: Gluten Free


These Lemon Blueberry Oatmeal Bars are loaded with tangy lemon flavor and bursting with sweet juicy blueberries. The perfect make ahead breakfast for the week, everyone will love!



  • 1 banana, mashed
  • 1 egg
  • 1 tsp vanilla
  • 3 tbsp maple syrup (or honey)
  • 1/3 cup coconut butter, melted
  • 1/2 cup nut milk (or oat milk, coconut milk, etc)
  • 1 tbsp lemon zest
  • 1 tbsp lemon juice
  • 1 cup rolled oatmeal
  • 1 1/2 cup oat flour
  • 1 tsp baking powder
  • pinch of salt
  • 1 cup blueberries (fresh or frozen)

Glaze (optional)

  • 1 tsp lemon zest
  • 2 tbsp honey
  • 2 tbsp coconut butter, melted


  1. Preheat the oven to 350 F and line a 9×9 pan with parchment paper (or spray with non-stick spray) and set aside.
  2. In a medium size bowl whisk together the banana, egg, vanilla, maple syrup, coconut butter, nut milk, lemon zest, and lemon juice until smooth.
  3. In a large bowl combine the oatmeal, oat flour, baking powder, and salt.
  4. Pour the wet ingredients into the dry and mix until combined. Stir in blueberries.
  5. Pour the batter into the baking pan, smooth with a spatula, sprinkle with additional blueberries (optional), and bake for 20-25 minutes or until a toothpick comes out clean.
  6. Once cooled, whisk together the glaze ingredients and drizzle on top. Serve and enjoy!


  1. You can substitute any nut butter for the coconut butter. Almond or cashew will taste the best.
  2. The Nutrition Facts do not account for the glaze. 
  3. You can easily make your own oat flour by blending rolled oats in a food processor or blender.
  • Category: breakfast, snack
  • Method: oven
  • Cuisine: American


  • Serving Size: 1 bar
  • Calories: 226
  • Sugar: 7.5g
  • Sodium: 88.3mg
  • Fat: 10.4g
  • Carbohydrates: 27.9g
  • Protein: 4.7g
  • Cholesterol: 20.7mg

Keywords: oatmeal bars, blueberry oatmeal bar, baked oatmeal, oatmeal bake