Two squares of Cheerios cereal bars made with melted buttered and marshmallows.

Gluten Free Cheerios Marshmallow Cereal Bars

What could be better than Cheerios™ and marshmallows in a bar!

  • Prep Time
    15 Minutes
  • Total Time
    1 Hour
  • Servings


  • 3 tablespoons butter or margarine
  • 1 bag (10 1/2 oz) miniature marshmallows (6 cups)
  • 5 cups Cheerios™ cereal


  1. Step 1Butter 13 x 9-inch pan.
  2. Step 2In large microwavable bowl, microwave butter and marshmallows uncovered on High about 2 minutes, stirring after every minute, until smooth.
  3. Step 3Immediately stir in cereal until evenly coated. Using buttered back of spoon or hands, press mixture firmly in pan; cool. For bars, cut into 6 rows by 4 rows. Store loosely covered.


  • Make it Different: Instead of Cheerios™ from the yellow box, you can use the same amount of MultiGrain Cheerios™ or Honey Nut Cheerios™ cereal.
  • Cooking Gluten Free? Always read labels to make sure each recipe ingredient is gluten free. Products and ingredient sources can change.