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Protein Baked Oatmeal (Unlimited Flavor Combinations!)

I love having a make ahead breakfast. This one checks all the boxes: high in protein, high in fiber, meal prep friendly, and tastes delicious! It's also easy to customize and create different flavors each week or even each day. I provide a recipe for 4 servings all baked in an 8x8 pan, however see below in this post for instructions for 1 serving. Feel free to make individual servings for the week in different flavors and bake them in smaller containers. You could also use the same base recipe and just add various toppings. See further down for flavor ideas!

Base Recipe for 1 serving:

  • 1/2 cup old fashioned oats (40g)
  • 1/2 ripe medium banana
  • 1/3 cup soy milk or milk of choice, can add splash more if needed to blend well
  • 1 serving/scoop protein powder
  • 1/2 tsp baking powder
  • Sprinkle cinnamon & pinch of salt

Flavor Combination Ideas

These amounts are for 1 serving. Add into the batter before baking unless otherwise specified. I also included protein powder flavor recommendations for each.

1. Peanut Butter Chocolate Chip

  • 1 tbsp peanut butter (swirled in before baking or added on top after)
  • 1 tbsp chocolate chips sprinkled on top
  • Protein powder recommended flavors: vanilla, peanut butter, chocolate

2. Apple Pie

  • ¼ cup finely diced apple
  • ½ tsp extra cinnamon + pinch of nutmeg
  • Optional: 1 tbsp chopped walnuts or pecans
  • Protein powder recommended flavors: vanilla, snickerdoodle, cinnamon bun

3. Berry Almond

  • ¼ cup fresh or frozen berries of choice
  • ½ tbsp sliced almonds on top after baking
  • Protein powder recommended flavors: vanilla

4. Double Chocolate

  • 1 tbsp cocoa powder
  • 1 tbsp chocolate chips sprinkled on top
  • Protein powder recommended flavors: chocolate

5. Mocha

  • 1 tbsp cocoa powder or use chocolate protein powder
  • ½ tsp instant espresso powder
  • 1 tbsp chocolate chips
  • Protein powder recommended flavors: vanilla, chocolate, mocha/coffee

6. Tropical Coconut Mango

  • ¼ cup diced mango (fresh or frozen)
  • 1 tbsp shredded unsweetened coconut (toasted would be delicious!)
  • Protein powder recommended flavors: vanilla, coconut cream

7. Pumpkin Spice

  • 3 tbsp pumpkin puree in place of banana
  • ½ tsp pumpkin spice blend (or cinnamon + nutmeg + ginger)
  • 1 tbsp maple syrup
  • Protein powder recommended flavors: vanilla, pumpkin spice, snickerdoodle

8. Lemon Blueberry

  • ½ tsp lemon zest
  • ¼ cup blueberries
  • Protein powder recommended flavors: vanilla, lemon cookie

Prep Time 5 mins
Cook Time 20 mins
Total Time 25 mins
Recipe Type:
Difficulty: Beginner
Servings: 4
Description

Make ahead some delicious baked oatmeal that is full of protein and fiber - the flavor combinations have no limit!

Ingredients - Base Recipe
  • 2 cups old fashioned oats (160g) (also called rolled oats)
  • 1.5 cups soy milk (320g) (or milk of choice)
  • 2 medium ripe bananas
  • 4 scoops/servings protein powder of choice
  • 2 tsp baking powder
  • 1/2 tsp cinnamon
  • Pinch of salt
Directions
  1. 1
    Preheat oven to 350 F. Prepare an 8x8 baking dish by greasing with butter or oil.
  2. 2
    Blend all ingredients except protein in a blender until smooth, about 30-60 secs.
  3. 3
    Add protein powder now and blend for 10-20 secs until just blended. If you blend too long it will become too fluffy and will bake unevenly.
  4. 4
    Pour into prepared baking dish. Top with any desired toppings (see post above for ideas!). Bake for 15-20 mins until the middle is set.
Notes

This recipe can be made gluten free if you use certified gluten free oats.

This recipe can be made fully vegan if you use nondairy milk & a vegan / plant-based protein powder.

Wondering what kind of milk to use? Any milk will work, but to keep the protein high, I recommend to use a milk that is higher in protein such as cow milk, fairlife milk, soy milk, or pea milk.

Keywords: baked oatmeal, protein oatmeal, high protein breakfast, breakfast meal prep, oatmeal meal prep, high protein meal prep, recipes with protein powder
Read it online: https://leetherd.com/recipe/protein-baked-oatmeal-unlimited-flavor-combinations/
Lee Warstler
Registered Dietitian

Hey there, I’m Lee! As a registered dietitian, I’m passionate about creating easy, nutritious recipes that inspire a balanced approach to eating. I love to experiment with new dishes in the kitchen and am a true chocolate enthusiast. I aim to demystify nutrition misinformation and share recipes that nourish your body and soul. Join me on this journey to make healthy eating simple, enjoyable, and delicious!