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Cinnamon oatmeal cookie protein smoothie in a glass topped with granola and a peanut butter drizzle. Glass is on a striped napkin.
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4.44 from 16 votes

Oatmeal Smoothie

A healthy and protein-packed smoothie that tastes like a oatmeal cookie with a hint of cinnamon. Vegan, gluten-free and perfect for refueling after a workout.
Prep Time5 mins
Course: Smoothie
Cuisine: American
Keyword: oatmeal cookie smoothie
Servings: 1
Calories: 265kcal


  • 1 frozen banana (chopped into chunks)
  • 1/2 cup unsweetened almond or oat milk
  • 3 Tablespoons old fashioned rolled oats
  • 1 scoop scoop protein powder
  • ½ teaspoon cinnamon
  • ½ teaspoon vanilla extract


  • Blend: Place banana, milk, oats, protein powder, cinnamon, and vanilla in a high-powered blender and blend until smooth.
  • Taste: If the smoothie is too thick, add a little more almond milk.
  • Serve: Pour into a glass or bowl (depending on whether you want to use a spoon or straw) and top with your favorite smoothie toppings.


  • frozen banana – don't forget to peel your bananas before you freeze them and chopping them in chunks will help make the smoothie easier to blend!


Serving: 1 | Calories: 265kcal | Carbohydrates: 43g | Protein: 19g | Fat: 4g | Fiber: 7g | Sugar: 16g