Congo Bars

350 degree oven
13x9” GREASED baking pan (can spray with PAM)
2 sticks (1 cup) butter
1 ¾ cups dark brown sugar
2 eggs
1 teaspoon vanilla
2 cups flour
½ teaspoon baking powder
12 oz bag Nestle chocolate chips (2 cups)-DIVIDED
½-1 cup chopped nuts, optional

In a medium saucepan on low heat, melt butter and brown sugar, stirring until butter is melted. Remove from heat and cool for a few minutes. Add the eggs and mix well. Add flour, baking powder and vanilla and mix well. Add 1 cup of chocolate chips and stir. Add optional nuts. Pour into greased pan. Sprinkle on the remaining 1 cup of chocolate chips. Bake in 350 degree oven for 22-28 minutes, being careful not to overcook or brown too much on the edges; they should be moist.