Creamy Oatmeal Smoothie Recipe — Nut-Free Breakfast Shake

Healthy Oatmeal Smoothie – A satisfying way to enjoy oatmeal in drink form. Hearty, nutritious, and delicious, this smoothie will keep you full for hours.

Sipping oat smoothie set on a dark plate.

This smoothie has a flavor I struggle to describe—it’s simply pleasant and comforting.

It’s reminiscent of a light vanilla milkshake, though healthier and less indulgent.

Thick, creamy, and quick to prepare, it’s perfect for breakfast or a filling snack when you’re short on time.

If you blend the ingredients and let them sit in the fridge overnight (or at least for an hour), the oats will soften and create a smooth, batter-like texture that’s easier to digest.

One unusual addition is a pinch of baking soda. You might be tempted to skip it, but it’s worth trying.

The baking soda tames some of the yogurt’s tartness, allowing the natural sweetness and vanilla to come forward. It also gives a subtle, doughy note similar to batters that use a leavening agent.

Smoothie being poured into a glass with banana in the background.

Ingredients and substitutions

  • Milk of your choice – Use any milk you prefer, dairy or plant-based.
  • Greek yogurt – Greek yogurt provides a thick, creamy texture and a pleasant tang; it works best here.
  • Oats – Rolled or quick oats blend smoothly. Steel-cut oats can be used but will produce a coarser texture.
  • Banana – Adds natural sweetness and creaminess. If you want banana-free alternatives, swap in berries or a sweetener and extra yogurt.
  • Vanilla extract – Vanilla extract is convenient and enhances flavor. Vanilla powder also works well if you have it.
  • Baking soda – A pinch helps balance yogurt’s tartness and rounds out the flavor.

Variations

Try these simple additions to change the flavor or boost nutrition:

  • Cinnamon or pie spice for warmth
  • Fresh fruit such as berries for brightness
  • Protein powder for extra protein
  • Cocoa powder for a chocolate twist
  • Stevia or a touch of honey for added sweetness

Recipe notes

Greek yogurt gives the best result in terms of texture and flavor—plain yogurt is thinner and less satisfying here.

A high-quality blender helps break down the oats for a smoother drink. If your blender struggles, let the oats soak longer or finely grind them first.

Oatmeal smoothie with cinnamon on top sitting on a dark gray plate.

Other delicious smoothies

Chocolate Cherry Smoothie

Chocolate Almond Butter Berry Smoothie

Apple Cinnamon Smoothie

Sipping oat smoothie set on a dark plate.
5 from 5 votes

Oatmeal Smoothie

Hearty, healthy, and delicious, this smoothie will keep you full for hours.
Prep Time
5 minutes mins
Soak Time:
1 hour hr
Total Time
1 hr 5 mins

Servings:
1 serving
Author:
Lauren Goslin

Ingredients

  • ½ cup milk of your choice
  • ½ cup Greek yogurt
  • ¼ cup rolled or quick oats
  • 1 large ripe banana
  • 1 teaspoon vanilla extract
  • pinch baking soda

Instructions

  • Blend all ingredients until smooth and creamy.
  • Cover and refrigerate the mixture overnight or for at least 60 minutes to allow the oats to soften.

Notes

Nutrition facts are based on using unsweetened almond milk and low-fat plain yogurt.

Weight Watchers points: 11

Nutrition


Calories: 302kcal


Carbohydrates: 50.9g


Protein: 11.5g


Fat: 5g


Fiber: 5.6g


Sugar: 23.8g

If you try this recipe, please leave a star rating and a comment below to share how you liked it!