Peanut butter, banana and walnuts yogurt bowl

Name: Peanut butter, banana and walnuts yogurt bowl
Prep time: 5 min
Total time: 5 min
Yield: 1 servings
Ingredients: 0.5 Banana; 150 gr of Greek yogurt; 1 tbsp of Smooth peanut butter; 1 tbsp of Walnuts