Oreo Brownies

1/2 c. butter
3 oz. baking chocolate
2 eggs
1 c. flour
1/2 tsp. baking powder
1/4 tsp. salt
1 tsp. vanilla
3/4 c. crushed Oreos
2 c. brown sugar

Melt butter and chocolate. Let cool slightly. Beat in remaining ingredients. Pour into 9 X 13-inch pan. Bake at 350 for 30 minutes.