Chocolate Rice Krispie Squares


1/4 cp margarine or butter
1 250gr. pkg of (about 40) reg. marshmallows
1/2 tsp vanilla
6 cps rice krispies
1/2 cup semi-sweet chocoate chips or more if you prefer

In large saucepan over low heat, melt butter.
Add marshmallows, stir until melted and well blended.
Add choc. chips and stir till melted. Remove from heat.
Stir in vanilla, add cereal stirring until well coated.
Using buttered spatula, press into buttered 13x9" pan.
Cool and cut into squares.