Peanut Butter, Banana and Marshmallow Sandwich PT10M https://img2.recipesrun.com/201907/2019/0925/f5/9/513209/300x200x90.jpg Try out a Peanut Butter, Banana and Marshmallow Sandwich! Real marshmallows are a treat in this grilled Peanut Butter, Banana and Marshmallow Sandwich. A fluffy sandwich made with peanut butter and marshmallow creme usually served on white bread. Variations of the sandwich include the substitution of wheat bread and the addition of various sweet, salty, and savory ingredients. 1 serving Ingredients: 2 tsp. Butter or margarine, softened 2 Marshmallows, cut lengthwise in half 1/4 Banana, sliced 2 tbsp. Creamy peanut butter 2 slices White bread