Lemon Blueberry Protein Bars

Super moist and sweet, tangy lemon bars with a jolt of protein! High protein and low in sugar, perfect for breakfast or a healthy snack!
Course Breakfast/snack
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings 16 bars
Author Sarah @ The Gold Lining Girl


  • 1 c. oat flour
  • 1/2 c. vanilla protein powder
  • 1/4 tsp. salt
  • 1/2 tsp. baking soda
  • 3 packets single-serving Crystal Light lemonade
  • zest of 1 lemon or 1 tsp. lemon extract
  • 4 egg whites
  • 1/4 c. granulated sugar or 1/2 c. Xylitol for low-sugar option
  • 1 c. unsweetened applesauce
  • 1/2 c. unsweetened almond milk
  • 1 pint fresh blueberries


  1. In a large bowl, whisk together oat flour, protein powder, salt, baking soda, and Crystal Light.
  2. In another large bowl, whisk together lemon zest, egg whites, sugar, applesauce, and almond milk.
  3. Add the wet ingredients to the dry ingredients, and stir until just combined.
  4. Fold in the blueberries.
  5. Pour batter into a greased 8-inch square pan.
  6. Bake at 350 degrees for 20-25 minutes, or until a toothpick inserted near the center comes out clean.
  7. Cool completely. Cut into bars.
  8. Store in the refrigerator!