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Home / Recipes

Protein Oatmeal

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By: Madeline Tague

Published: November 17, 2025

This site may contain affiliate links. Please read my disclosure policy.

Make this Protein Oatmeal for an easy high protein breakfast that will keep you full all morning. Each serving has 34g of protein and 5g of fiber to keep you full. Serve it hot or cold and add different toppings to easily change up the flavor.

an above view photo of three bowls of protein oatmeal with berries and peanut butter

Why You’ll Love This Recipe

  • High protein breakfast – Get over 30 grams of protein and 5 grams of fiber in a serving of these protein oats!
  • Easy to make – Everything cooks in one pot in under 15 minutes for the easiest breakfast to make.
  • Perfect for meal prep – This protein oatmeal can be served hot or cold with so many toppings, so it’s perfect to make to enjoy all week long.

Serving Suggestions

This protein oatmeal is great with some berries, nuts, or nut butter on top. You could also add some granola. For a coffee to go with it, I love to make this cold brew or an iced shaken espresso.

If you are looking for another meal prep breakfast option, try these meal prep breakfast bowls or breakfast sandwiches next.

an above view photo of protein oatmeal ingredients with labels on them

Ingredients and Substitutions

  • Water – use the water to cook your rolled oats
  • Salt – a bit of salt helps bring out the flavor of your oatmeal
  • Rolled oats – I recommend rolled oats for this recipe to get the best texture for your protein oatmeal
  • Milk – you can use any milk, dairy or non-dairy, for this recipe
  • Protein powder – I use vanilla whey protein, but you could have fun mixing up flavors
  • Flax seed – the flax seed adds a perfect boost of fiber to make this protein oatmeal even more satiating
  • Fresh fruit, nut better or nuts and seeds – use any of your favorite toppings to complete your bowl of oatmeal
an above view photo of protein oatmeal in a pot with a wooden spoon in it

How to make

Step 1: Cook the Oats

Pour water into a small pot with salt and bring to a boil. Pour oats into the pot, stir, reduce to a simmer and simmer for 7 minutes.

Whisk together milk and protein powder. After the oats have been simmering for 7 minutes pour milk and protein mixture into the pot along with the ground flax seeds

To prevent the mixture from splitting, simmer on low stirring constantly for another 5 minutes. 

Step 2: Serve with Toppings

Remove from heat, separate into bowls and serve with your favorite toppings.

Allow leftovers to cool completely, transfer to an airtight container and place in the fridge. Serve chilled like overnight oats or reheat gently on the stovetop.

a three quarter view photo of a bowl of protein oatmeal with berries and peanut butter on top

Storage

Once the protein oatmeal is cooled, place it in an airtight container in the fridge for up to a week. You can enjoy leftovers cold or reheat gently on the stovetop.

Check out these other High Protein Breakfast ideas

  • Protein Granola
  • Protein Waffles
  • High Protein Sausage Pancake Muffins
  • Protein Banana Bread

You can find the full recipe below. If you make this recipe, please rate and review it in the comments, or share it with me on Instagram!

You can find the full recipe below. If you make this recipe, please rate and review it in the comments, or share it with me on Instagram!

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a three quarter view photo of a bowl of protein oatmeal with berries and peanut butter on top

Recipe

Protein Oatmeal

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Make this protein oatmeal for the perfect satiating breakfast.
Recipe By: Madeline Tague
Prep: 5 minutes minutes
Cook: 12 minutes minutes
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Servings: 3

Ingredients

  • 2 cups water
  • ½ tsp salt
  • 1 cup rolled oats
  • 1 ½ cups milk of choice
  • 3 servings flavored protein powder I use vanilla whey protein
  • 3 tbsp ground flax seed
  • Fresh fruit, nut butter or nuts and seeds for topping
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Instructions

  • Pour water into a small pot with salt and bring to a boil. Pour oats into the pot, stir, reduce to a simmer and simmer 7 minutes.
  • Whisk together milk and protein powder. After the oats have been simmering for 7 minutes pour milk and protein mixture into the pot along with the ground flax seeds
  • To prevent the mixture from splitting, simmer on low stirring constantly for another 5 minutes.
  • Remove from heat, separate into bowls and serve with your favorite toppings.
  • Allow leftovers to cool completely, transfer to an airtight container and place in the fridge. Serve chilled like overnight oats or reheat gently on the stovetop

Nutrition Information

Calories: 333kcal (17%), Carbohydrates: 29g (10%), Protein: 34g (68%), Fat: 11g (17%), Saturated Fat: 3g (19%), Polyunsaturated Fat: 3g, Monounsaturated Fat: 2g, Cholesterol: 65mg (22%), Sodium: 491mg (21%), Potassium: 428mg (12%), Fiber: 5g (21%), Sugar: 8g (9%), Vitamin A: 278IU (6%), Vitamin C: 0.04mg, Calcium: 285mg (29%), Iron: 4mg (22%)

This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition data is gathered primarily from the USDA Food Composition Database, whenever available, or otherwise other online calculators.

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Welcome

Hi, I’m Madeline – food blogger and recipe developer based just outside Philadelphia. Join me for simple, comforting recipes designed for the whole family. Turn on your favorite playlist or podcast, and let’s get to cooking!

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“This is my third time making this recipe and it’s a fave for meal prepping! So delicious, quick and easy ☺️” – Jessica

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