1 (10 oz.) pkg. (about 40) reg. marshmallows or 4 c. miniature marshmallows
1/4 c. butter
1/3 c. peanut butter
7 1/2 c. or 1 (10 oz.) pkg. Kellogg's frosted flakes cereal

In a 4 quart microwaveable bowl, melt marshmallows and butter on high 3 minutes, stirring halfway through cooking. Stir in peanut butter until mixture is smooth. Add frosted flakes cereal, stirring until well coated. Using a buttered spatula or waxed paper, press mixture into a lightly greased 13 x 9 x 2 inch pan. Cut into 1 1/2 x 2 inch bars.

Range top method: Melt butter in large saucepan over low heat. Add marshmallows and stir until completely melted. Remove from heat. Follow steps above. Fun to make.