Protein Banana Oat Breakfast Squares

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These Protein Banana Oat Breakfast Squares are a wholesome, make-ahead breakfast packed with oats, banana, and protein. They’re soft, lightly sweet, easy to slice, and perfect for busy mornings, meal prep, lunchboxes, or a post-workout snack.

Yield

  • Makes: 12 squares
  • Prep Time: 10 minutes
  • Bake Time: 25–30 minutes
  • Total Time: About 40 minutes

Ingredients

Dry Ingredients

  • 2 cups rolled oats
  • 1 scoop (about 30g) vanilla protein powder
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt

Wet Ingredients

  • 3 large ripe bananas, mashed
  • 2 large eggs
  • ½ cup milk (dairy or non-dairy)
  • 2 tablespoons maple syrup or honey
  • 1 teaspoon vanilla extract

Optional Mix-Ins

  • ¼ cup mini chocolate chips
  • ¼ cup raisins
  • ¼ cup chopped walnuts
  • ¼ cup chopped pecans
  • 2 tablespoons chia seeds
  • 2 tablespoons flaxseed meal

Equipment

  • 8×8-inch (20×20 cm) baking pan
  • Mixing bowls
  • Measuring cups and spoons
  • Parchment paper or nonstick spray

Instructions

Step 1: Prepare the Pan

  1. Preheat oven to 350°F (175°C).
  2. Line an 8×8-inch baking pan with parchment paper or lightly grease it.

Step 2: Mix the Dry Ingredients

In a large bowl, combine:

  • Rolled oats
  • Protein powder
  • Baking powder
  • Cinnamon
  • Salt

Stir until evenly distributed.

Step 3: Mix the Wet Ingredients

In a separate bowl, whisk together:

  • Mashed bananas
  • Eggs
  • Milk
  • Maple syrup or honey
  • Vanilla extract

Mix until smooth.

Step 4: Combine

  1. Pour wet ingredients into dry ingredients.
  2. Stir until everything is evenly moistened.
  3. Fold in any optional mix-ins.

Step 5: Bake

  1. Spread batter evenly into the prepared pan.
  2. Smooth the top with a spatula.
  3. Bake for 25–30 minutes or until the center is set and a toothpick comes out mostly clean.

Step 6: Cool and Slice

  1. Allow to cool in the pan for 10–15 minutes.
  2. Transfer to a wire rack.
  3. Cool completely before cutting into 12 squares.

Nutrition Information (Approximate)

Per square (without optional mix-ins):

Nutrient Amount
Calories 120–140
Protein 6–8 g
Carbohydrates 18–20 g
Fiber 2–3 g
Sugars 6–8 g
Fat 2–3 g
Saturated Fat 0.5–1 g
Sodium 90–120 mg

Nutrition varies depending on protein powder and add-ins used.

Nut Information

Is This Recipe Nut-Free?

The basic recipe can be nut-free if:

  • You use dairy milk or a nut-free plant milk.
  • You do not add walnuts, pecans, or other nuts.

Common Nut Ingredients to Watch For

  • Almond milk
  • Cashew milk
  • Walnut pieces
  • Pecans
  • Mixed nuts

Tree Nut Allergy Notes

If serving someone with a tree nut allergy:

  • Use dairy milk, oat milk, or soy milk instead of nut-based milk.
  • Skip nut mix-ins.
  • Check protein powder labels for allergy warnings and manufacturing practices.

Peanut Allergy Notes

The recipe does not naturally contain peanuts, but:

  • Some protein powders may be produced in facilities that process peanuts.
  • Always verify packaging if allergies are a concern.

Nut-Free Add-In Ideas

  • Pumpkin seeds
  • Sunflower seeds
  • Raisins
  • Dried cranberries
  • Chocolate chips
  • Chia seeds
  • Flaxseed meal

Storage

Refrigerator

  • Store in an airtight container for up to 5 days.

Freezer

  • Freeze individually wrapped squares for up to 3 months.
  • Thaw overnight in the refrigerator or microwave for 20–30 seconds.

Meal Prep Tip

Make a double batch and freeze half for quick breakfasts throughout the month.

Variations

Chocolate Banana

Add:

  • 2 tablespoons cocoa powder
  • ¼ cup chocolate chips

Peanut Butter Banana

Add:

  • ¼ cup peanut butter
  • Reduce milk by 2 tablespoons

Blueberry Banana

Fold in:

  • 1 cup fresh or frozen blueberries

Apple Cinnamon

Replace one banana with:

  • 1 cup finely diced apple

High-Protein Version

Increase protein powder to 1½ scoops and add:

  • ¼ cup Greek yogurt

Frequently Asked Questions

Q: Can I use quick oats?

A: Yes. Quick oats produce a softer texture, while rolled oats provide more chew and structure.

Q: Can I make these gluten-free?

A: Yes. Use certified gluten-free oats and ensure your protein powder is gluten-free.

Q: What protein powder works best?

A: Vanilla whey, whey isolate, pea protein, or soy protein all work well. Different powders absorb moisture differently, so you may need an extra splash of milk.

Q: Can I make these without eggs?

A: Yes. Replace each egg with:

  • 1 tablespoon ground flaxseed + 3 tablespoons water, or
  • A commercial egg replacer.

Q: Why are my squares dry?

A: Common causes include:

  • Overbaking
  • Using extra protein powder
  • Small bananas
  • Protein powder with high absorbency

Add a little extra milk next time if needed.

Q: Can I reduce the sweetener?

A: Absolutely. Very ripe bananas provide plenty of natural sweetness.

Q: Are these good for meal prep?

A: Yes. They stay soft, travel well, and can be refrigerated or frozen for convenient grab-and-go breakfasts.

Q: Can kids eat these?

A: Yes. They make a family-friendly breakfast or snack. If serving young children, choose age-appropriate mix-ins and be mindful of any food allergies.

Serving Ideas

  • Warm with a spoonful of Greek yogurt
  • Spread with peanut butter or almond butter
  • Top with fresh berries
  • Enjoy alongside coffee, tea, or a protein smoothie

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