Fruity Pebbles Easter Eggs! Ingredients: ¼ c butter 10 oz bag of marshmallows 5 c cereal (I used Fruity Pebbles) ; 1. In a large pan melt butter using medium heat. 2. Add marshmallows and stir until melted. 3. Pour in the cereal and mix to incorporate. 4. Spray plastic eggs with cooking spray and fill mith cereal mixture. Store in egg carton.