BEST Rice Krispies Treats

2 sticks of butter (not margarine)
1 (10 1/2 oz.) pkg. mini marshmallows
1 (16 oz.) pkg mini marshmallows
1 (19 oz.) box rice krispies cereal

Melt butter in LARGE pot or pan over low heat. Add all of the marshmallows and stir occasionally until completely melted. Remove from heat. Mix in all cereal. Stir until well coated. Pour mixture into a well buttered 9x13x2 inch pan and smooth out with hands (rub a little water over hands and shake off excess) use a large piece of wax paper to finish smoothing out top. Let stand for 1-2 hours, when cool cut in squares.

Do not use diet, reduced or low fat butter.