1. In large saucepan melt butter over low heat. Add marshmallows and stir until completely melted. Remove from heat.
2. Add Rice Krispie cereal and stir until well coated.
3. Using a rubber spatula press mixture into 13 x 9 dish coated with cooking spray. Allow to cool before cutting. Enjoy!

Microwave Option:

In microwave-safe bowl melt butter and marshmallows on HIGH for 3 minutes, stirring after 2 minutes. Stir until smooth. Follow steps 2 and 3 above. Microwave cooking times may vary.

Note:

-Store only for two days at room temperature in airtight container. After that they will become hard and stale.

-To freeze, place in layers separated by wax paper in airtight container. Freeze for up to 6 weeks. Let stand at room temperature for 15 minutes before serving.