High Protein Banana Overnight Oats (Low Calorie & Filling)

Creamy banana overnight oats made with Greek yogurt and protein powder for an easy high protein breakfast.

📝 Introduction

These banana overnight oats are creamy, filling, and easy to prep ahead for busy mornings. Mashed banana naturally sweetens the oats while Greek yogurt and protein powder add extra protein without making the texture heavy or dry.

The flavor is simple and comforting, with a soft banana-bread texture that works well for everyday breakfasts and meal prep.

You can also explore more healthy breakfast recipes if you want a few more easy meal prep options.

⚡ Quick Overview

🔥 Calories	💪 Protein	⏱ Prep	🍽 Servings	✨ Difficulty
350–380 kcal	20–25g	5 mins	1 serving	Easy

WHY THIS VERSION WORKS

Unlike overly sweet overnight oats, this version keeps the banana flavor balanced and natural. The mashed banana adds sweetness and creaminess without needing much extra syrup or sweetener.

The banana also softens the oats overnight, giving them a smoother and creamier texture by morning.

It stays filling and satisfying without feeling overly heavy in the morning.

🛒 Ingredients

These overnight oats use a mix of rolled oats, mashed banana, milk, and Greek yogurt for a creamy texture that still feels light enough for an everyday breakfast. Vanilla protein powder adds extra protein while cinnamon and vanilla help bring out the soft banana-bread flavor.

The recipe also works well with a few simple toppings depending on what you have on hand. A small drizzle of maple syrup adds a little more sweetness, while toppings like banana slices, walnuts, or peanut butter work well right before serving.

The exact measurements and full instructions are included in the recipe card below.

Now that your ingredients are ready, here’s how to make it.

Here’s how the oats should look before and after chilling.

⏭️ Before You Eat

Give the oats a quick stir before serving, then add your favorite toppings for extra texture and freshness.

🥗 Nutritional Benefits

These overnight oats are balanced enough for an everyday breakfast while still feeling light and easy to eat in the morning.

• Oats and chia seeds add fiber for a more satisfying breakfast
• Greek yogurt and protein powder add extra protein to make the breakfast more balanced and filling
• Banana adds natural sweetness along with potassium
• Chia seeds help create a thicker texture while adding healthy fats
• Rolled oats provide slow-digesting carbohydrates for steady energy

💡 Easy Tips

• Mash the banana thoroughly so it mixes evenly into the oats
• Add a splash of milk before serving if the oats thicken overnight
• Stir the protein powder well to avoid dry pockets
• Use a ripe banana for better sweetness and a softer texture
• Add toppings right before serving so they stay fresh

🔄 Variation Ideas

• Peanut Butter Overnight Oats – A richer and creamier option if you want something a little more filling.
• Chocolate Overnight Oats – A deeper chocolate flavor that still feels balanced for an everyday breakfast.
• Strawberry Overnight Oats – A lighter and more refreshing version with fresh strawberry flavor.
• Plain Overnight Oats – A simple base recipe that also works well with dairy-free yogurt and plant-based protein powder.

🧊 Storage & Meal Prep

Store the overnight oats covered in the fridge for up to 3 days. The texture may thicken slightly overnight, so adding a splash of milk and stirring before serving helps keep the oats creamy.

For the best texture, add fresh banana slices right before serving. They’re easy to prep ahead in multiple jars for busy mornings during the week.

❓ FAQ

Can I make banana overnight oats without protein powder?
Yes. The texture will be slightly less thick and the protein content will be lower, but the oats will still turn out creamy and flavorful.

Can I use frozen banana?
Yes, but thaw it first and mash thoroughly before mixing.

Are overnight oats eaten cold?
Usually, yes. You can also warm them slightly in the microwave if you prefer a softer texture.

How do I make overnight oats sweeter?
Use a riper banana or add a a little maple syrup or honey.

What type of oats work best?
Rolled oats work best for a creamy texture. Quick oats become much softer, while steel-cut oats stay too firm.