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Protein Overnight Oats in Mason Jar

Protein Overnight Oats

A simple and customizable no-cook breakfast that is high in protein and perfect for busy mornings or meal prep.
Prep Time 10 minutes
Total Time 8 hours
Course Breakfast, Healthy
Cuisine American
Servings 2 servings
Calories 350 kcal

Ingredients
  

Base Ingredients

  • ½ cup rolled oats Old-fashioned rolled oats for the best texture.
  • 1 scoop protein powder Can substitute with ½ cup Greek yogurt.
  • ½ cup milk of choice Use dairy, almond, or oat milk.
  • 1–2 teaspoons chia seeds Adds fiber and thickness.
  • 1–2 teaspoons maple syrup or honey Optional sweetener.

Flavor Variations

  • optional chocolate protein powder, cocoa powder, peanut butter, fruit (strawberries, bananas, mango) Customizable flavor additions.

Instructions
 

Preparation

  • Mix rolled oats, protein powder, chia seeds, and any spices (e.g., cinnamon) in a bowl.
  • Add milk and Greek yogurt (if used), stirring well until fully combined.
  • Stir in any desired fruits, sweeteners, or nut butters.
  • Pour mixture into a mason jar or airtight container and refrigerate overnight (or at least 4 hours).

Serving

  • Enjoy cold, or microwave for 30 seconds if preferring it warm.
  • Top with sliced bananas, granola, berries, or chocolate chips before serving.

Notes

Ideal for batch prep. Store jars in the fridge for up to 5 days. Add delicate toppings just before serving.
Keyword customizable, healthy breakfast, meal prep, no-cook oats, protein overnight oats