Oat Peanut Butter Mass Gainer Shake
This high-calorie mass gainer shake is perfect for post-workout recovery or as an in-between meal snack to easily support muscle growth and hit your daily calorie goals.
Ingredients
Calories next to each ingredient are for that ingredient across the whole recipe (1 serving), not per serving.
- 1.5 cups whole milk · 214 kcal in the whole recipe
- 3/4 cup rolled oats · 306 kcal in the whole recipe
- 2 tablespoons peanut butter · 191 kcal in the whole recipe
- 1 scoop whey protein powder · 106 kcal in the whole recipe
- 1 medium banana · 107 kcal in the whole recipe
Method
Add the whole milk and rolled oats into the blender first to let the oats soften slightly.

Add the banana, peanut butter, and whey protein powder on top.

Blend on high speed for 45-60 seconds until completely smooth and creamy.

If the shake is too thick, add a splash of extra milk or water to adjust the consistency.

Cook it hands-free, log it in one tap. In the Besly app this recipe scales to your calorie target, a voice chef walks you through each step, and saying "I had the oat peanut butter mass gainer shake" puts it in your diary. Get Besly →
A Besly kitchen recipe — portions, macros and step photos by Besly.
Nutrition per serving
923 kcal · 54 g protein · 108 g carbs · 34 g fat
On the plate: Whole grains, Dairy, Nuts & seeds, Fruit
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Browse: Shake recipes · Snack recipes · High protein recipes · Protein snack recipes
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