1/4 cup butter
1 pkg(about 40) regular marshmallows or 5 cups miniature
1/2 tspvanilla extract (optional)
6 cups RICE KRISPIES* cereal
In a large microwave safe bowl, heat Butter and marshmallows at HIGH for 3 minutes, stirring after 2 minutes. Stir in vanilla. Stir in KELLOGG'S* RICE KRISPIES* cereal until well coated. Using lightly buttered spatula, press into buttered 3.5 L (13 x 9") pan.
Allow mixture to cool slightly. Cut into bars.