Preheat oven to 350°F
Grease a 9x13 baking dish
Arrange 6 tbsps of butter, divided, on bottom of baking dish
Pour in 1 tsp vanilla
Dump in 16 oz marshmallows
Add food coloring on the marshmallows or wait until after they bake
Dump in 6 cups of rice krispies
Bake 15-20 minutes until there is a slight jiggle
Remove from oven and grease your spatula
Mix everything together
Add remaining rice krispies if the mixture is too wet
As it begins to cool, add sprinkles, candy and marshmallows if desired
Allow to sit at room temperature or in fridge to set before cutting
