• Gather you equipment and ingredients before getting started.
• Grease your pan and spatula with butter or non-stick cooking spray.
• Melt you butter and marshmallows together either on the stove or in the microwave

Microwave:

• Add 16 oz of Marshmallows and 4 tbs of butter to bowl.
• Heat butter and marshmallows for 30 - 60 seconds.
• Stir them well and heat for another 30 seconds.
• Continue heating and stirring until marshmallows are melted.

Stove:

• Add 4 tbs of butter to a pot
• Turn stovetop on low and heat your butter.
• Stir butter occassionally until almost totally melted.
• Add 16 oz of marshmallows to the pot with butter.
• Stir frequently until almost totally melted.
• Remove from heat and continue stirring until marshmallows and butter are totally melted and combined.

Remaining instructions

• Measure 7 cups of Reese's Puffs cereal and slowly add to your marshmallow mixture.
• Once thoroughly combined, use spatula to move mixture from bowl into pan.
• Gently press treats into pan so that they are an even thickness.
• Set pan aside to cool for around 30 minutes.
• Use a knife to cut into 16 square treats.