• Gather your ingredients and supplies.
• Grease your pan and spatula with butter or non-stick cooking spray.
• Melt your marshmallows and butter together on the stovetop or in the microwave

Microwave Melting

• Add 16 oz of marshmallow and 4 tbs of butter together in a bowl.
• Microwave for 30 - 60 seconds.
• Remove and stir.
• Heat again for 30 seconds and stir.
• Repeat 30 second heating and stirring until marshmallows and butter are melted.

Stove Method:

• Add 4 tbs of butter to pot
• Heat on low, stirring occassionally until butter is mostly melted.
• Add 16 oz of marshmallows to melted butter.
• Heat on low, stirring frequently until marshmallows are mostly melted.
• Remove from heat and keep stirring until marshmallows are completely melted.

Resume Instructions

• Add 6 cups of rice krispie cereal slowly to your marshmallow mixture.
• Once the cereal and marshmallows are totally combined, add 1 cup of Reeses Pieces. Stir in well.

  Note: you don't want the marshmallows totally cooled, but make sure they aren't so hot they will melt the candies.
• Take greased pan and add cereal, candy and marshmallow mixture to it.
• Gently press the treats into the pan, being careful not to crush your candy.
• Allow the treats to cool - about 30 minutes.
• Using a knife, cut your treats into 16 even bars.