Peanut Butter Banana Oatmeal Smoothie Recipe for Breakfast

This banana peanut butter oatmeal smoothie is a nutritious, filling breakfast that will keep you satisfied until lunch.

two glasses of Banana Oatmeal Peanut Butter Smoothie

This banana oatmeal peanut butter smoothie is an easy, nutrient-packed way to start the day. It combines protein, fiber and fruit, plus greens and creamy peanut butter. You can add a touch of unsweetened cocoa for a chocolate note if you like.

With oats and dates for natural sweetness and texture, this smoothie works well as a full breakfast or a substantial afternoon snack. It blends quickly and provides a balanced mix of carbohydrates, healthy fats and protein to fuel a busy morning.

Banana Oatmeal Peanut Butter Smoothie in two glasses with metal straws

Peanut Butter Oatmeal Smoothie: Substitutions

Almond milk: Substitute with coconut milk, whole milk, or 2% milk for a creamier or richer texture.
Peanut butter: Any nut or seed butter (almond, cashew, sunflower) works well. Use creamy or crunchy depending on preference.
Oatmeal: Old-fashioned, rolled, or quick oats all blend nicely and add fiber and body.
Spinach: Swap up to half the spinach for kale if preferred, or omit greens entirely if you don’t want them.

overhead photo of the labeled ingredients in this Banana Oatmeal Peanut Butter Smoothie

How to Make a Banana Oatmeal Peanut Butter Smoothie

This recipe is straightforward: add the ingredients to a high-powered blender and blend until smooth. Because the recipe includes dates and oats, a powerful blender gives the creamiest, most uniform result.

ingredients for Banana Oatmeal Peanut Butter Smoothie in a blender before blending

Banana Oatmeal Peanut Butter Smoothie in a blending container after blending

Serve

Serve this smoothie immediately for the best texture and flavor. It’s best enjoyed fresh rather than stored, as separation and color changes can occur if left overnight.

front view of two glasses of Banana Oatmeal Peanut Butter Smoothie

Banana Peanut Butter Oatmeal Smoothie FAQs

Can I double this recipe?

Yes — you can easily double or halve the ingredients to make the amount you need.

Can I store this smoothie overnight?

Storing is not recommended. Drink it right after blending for the freshest taste and best texture.

What’s the best blender for this recipe?

A high-powered blender is recommended to fully break down oats and dates for a smooth, creamy consistency.

Banana Oatmeal Peanut Butter Smoothie in two glasses with straws

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Banana Oatmeal Peanut Butter Smoothie

Laura

This banana peanut butter oatmeal smoothie is a nutritious and hearty breakfast that will keep you full until lunch.

5 from 6 votes

Course Breakfast, Snack

Cuisine American

Servings 2 Servings

Calories 297.6

Prep Time5 minutes

Total Time5 minutes

Equipment

Vitamix blender
Measuring spoons
Measuring cups

Ingredients

1 ½ cups almond milk
3 dates (pitted)
1 Tablespoon creamy peanut butter
1 banana (frozen)
2 Tablespoons old fashioned oats
2 cups spinach (frozen)
½ Tablespoon unsweetened cocoa powder (optional)

Instructions

Put the ingredients in the order listed into the container of a high-powered blender.
Blend on low, then increase to high and blend for 40–50 seconds or until smooth.
Pour into glasses and serve immediately.

Notes

Ingredient Substitutions

Almond milk: Use coconut milk, whole milk, or 2% milk as alternatives.
Peanut butter: Any nut or seed butter works; choose creamy or crunchy to taste.
Oatmeal: Old-fashioned, rolled, or quick oats all work well.
Spinach: You can replace up to half the spinach with kale if desired.