Graham Cracker Bars
["1 3/4 c. crushed graham crackers", "1 tsp. baking powder", "1/2 tsp. salt", "1 can sweetened condensed milk", "1 (12 oz.) bag chocolate chips", "1/2 tsp. vanilla", "nuts (optional)"]
["Mix all ingredients and spread into a greased 8 x 10-inch pan. Bake at 350\u00b0 for 20 minutes.", "Cut into squares while still warm. Dust with powdered sugar."]
["graham crackers", "baking powder", "salt", "condensed milk", "chocolate chips", "vanilla", "nuts"]