10 oz. pkg. marshmallows (or 4 c. miniature marshmallows)
1/4 c. butter
1/3 c. peanut butter
10 oz. pkg. (7 1/2 c.) Frosted Flakes

Melt butter in saucepan over low heat. Add marshmallows and stir until melted. Remove from heat. Stir in peanut butter until smooth. Add cereal and mix together. Spread into greased 9x13 inch pan with buttered spatula or waxed paper.