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High-Protein Overnight Oats

These high-protein overnight oats are creamy, customizable, and packed with over 40 grams of protein per serving. Designed for busy mornings, this grab-and-go breakfast is great for meal prep and can be adapted to different flavors like Banana Bread, Apple Pie, or Peanut Butter & Jelly. It’s a nutritious, satisfying way to start your day.
Cook Time5 minutes
Total Time5 minutes
Course: Breakfast
Cuisine: American, Healthy
Keyword: healthy oats, high-protein oats, meal prep breakfast, overnight oats, protein breakfast,
Servings: 1
Calories: 426kcal

Ingredients

Base (per serving):

  • ½ cup unsweetened almond milk plain or vanilla; more if needed
  • ¼ cup plain or vanilla Greek yogurt or plant-based alternative
  • ½ cup old-fashioned rolled oats gluten-free certified or regular
  • 1 scoop vanilla or unflavored protein powder whey or plant-based
  • ½ tablespoon chia seeds
  • ½ teaspoon vanilla extract

Flavor Options (choose one):

Banana Bread:

  • ½ ripe banana mashed
  • 1 teaspoon cinnamon
  • Sliced banana for topping

Pumpkin Spice Latte:

  • ¼ cup pumpkin purée not pie filling
  • 1 –2 tablespoons maple syrup or honey
  • ¾ teaspoon pumpkin pie spice

Apple Pie:

  • ¼ –⅓ cup apple diced small (+ extra for topping)
  • 1 –2 tablespoons maple syrup or honey
  • 1 teaspoon cinnamon
  • Pecans for topping

Peanut Butter & Jelly:

  • 1 –2 tablespoons peanut butter
  • ¼ cup diced fresh strawberries
  • ¼ cup additional almond milk

Peaches ‘n Cream:

  • ¼ cup additional almond milk
  • 1 –2 tablespoons maple syrup or honey
  • ¼ of a peach diced
  • 1 teaspoon cinnamon

Coconut Bliss:

  • 1 –2 tablespoons shredded coconut
  • Sliced banana for topping

Instructions

  • In a sealable mason jar or container, combine all base ingredients. Stir until fully mixed, making sure the oats are well submerged. Add more milk if needed.
  • Add your desired flavor ingredients to the jar. Stir again to combine.
  • Seal the jar or container and refrigerate overnight or for at least 6 hours.
  • In the morning, stir and adjust the consistency with a bit more almond milk if desired.
  • Add any final toppings and enjoy chilled—or microwave for 30–60 seconds if you prefer it warm.

Notes

Rolled oats are best. Quick oats will be softer; avoid steel-cut oats.
Any milk can be used—almond, oat, cashew, skim, or 2%.
Use plant-based yogurt for a dairy-free version.
Oats should be covered by at least a few centimeters of liquid.
Keeps in the fridge up to 5 days—great for meal prep.
Can be frozen in individual servings and thawed overnight.
Warm in the microwave if desired.