50ml margarine 250g marshmallows 2ml vanilla 1.25 l or 5cups Rice Krispy cereal
First, in large saucepan over low heat, melt margarine. Add marshmallows; Stir until melted and well blended. Remove from heat. Second, stir in vanilla. Then, add cereal stirring until thoroughly coated. Next, using lightly-buttered spatula, press into buttered pan. Finally, cool and cut into squares.