Food & Cooking Recipes Dessert & Treats Recipes Cookie Recipes Peanut-Butter and Marshmallow Granola Bars 3.7 (17) 11 Reviews By Martha Stewart Editors Martha Stewart Editors Facebook Instagram Twitter Website An article attributed to "Martha Stewart Editors" indicates when several writers and editors have contributed to an article over the years. These collaborations allow us to provide you with the most accurate, up-to-date, and comprehensive information available.The Martha Stewart team aims to teach and inspire readers daily with tested-until-perfected recipes, creative DIY projects, and elevated home and entertaining ideas. They are experts in their fields who research, create, and test the best ways to help readers design the life they want. The joy is in the doing. Editorial Guidelines Updated on May 16, 2017 Print Share Share Tweet Pin Email Yield: 16 squares The addition of marshmallows makes these hearty bars more like treats. Ingredients 4 tablespoons unsalted butter, plus more for pan 10 ½ ounces mini-marshmallows ½ cup creamy peanut butter Homemade Granola Directions Butter a 9-inch-square baking pan; set aside. In a large saucepan over medium heat, melt butter. Add marshmallows; stir until melted, about 4 minutes. Remove from heat. Stir in peanut butter and granola until well combined. Transfer mixture to prepared pan. Dampen your hands, and press mixture into prepared pan, distributing mixture evenly. Set aside to cool. Invert pan, releasing bars. Cut into 16 squares. Print