1 c. butter
1 c. brown sugar
36 saltine crackers
12 oz. chocolate chips
1/2 c. crushed walnuts

Spread a large cookie sheet with foil, spray with Pam. Place crackers close together to form bottom layer. In small saucepan, place butter and brown sugar, heat to boil 4 minutes. Spread evenly over crackers. Bake at 375 degrees for 5 minutes. Remove, sprinkle with chocolate chips evenly over top. Wait a few minutes, then spread with spatula. Sprinkle with nuts. Cool in refrigerator. Break into pieces.