Ingredients
2 cups graham cracker crumbs
1 can sweetened condensed milk
1 tsp. vanilla
6 oz. mini chocolate chips
handful chopped walnuts (if desired)
Preparation
Melt chocolate in microwave in 30 second increments, stirring between. Add all other ingredients and stir until well blended.
Pour into a greased and floured 8" square pan. Bake at 350 for 20-25 minutes.