6 cups Rice Krispies
1/4 cup unsalted butter
1/2 t vanilla extract
1 t green food coloring
10 oz bag mini marshmallows
Over low heat, add marshmallows, butter, vanilla and food coloring to a medium pot. Mix until everything is smooth and no longer lumpy.
Add Rice Krispies and mix with a wooden spoon until fully incorporated.
Grease a glass 9×13 pan and pat down the green Rice Krispies with your hand it spoon until evenly distributed. Chill for 1 hour and cut until desired sizes and shapes.
Note: Remove food coloring to make normal Rice Krispie Treats