1 (9") unbaked pastry shell
6 oz. chocolate chips
1/4 c. butter
14 oz. sweetened condensed milk
1/2 c. biscuit baking mix
2 eggs
1 tsp. vanilla
1 c. chopped nuts

Preheat oven to 375 degrees. Bake pastry shell 10 minutes, remove from oven. Reduce temperature to 325 degrees. In saucepan, over low heat, melt chips with butter. In large mixer bowl, beat chocolate mixture with remaining ingredients, except nuts, beating until smooth. Add nuts. Bake 35 to 40 minutes or until center is set.