Squashed Frogs

1/2 cup (1 stick) butter or margarine
40 large marshmallows (10 ounce bag)
5 cups corn flakes cereal
1/2 teaspoon vanilla extract
2 teaspoons green food coloring
M&Ms plain chocolate candy

Melt butter in large saucepan. Add marshmallows and cook over low heat, stirring constantly until melted and mixture is syrupy. Remove from heat. Add vanilla extract and food color. Mix. Add corn flakes and M&Ms and mix until well coated and bright green. Drop from a tablespoon on a piece of wax paper and cool the globs.