Bisquick Butterscotch Brownies

2 cups bisquick baking mix
1 box brown sugar (light or dark)
4 large eggs
1 stick margarine-room temperature
1 can coconut
1 1/2 cup chopped pecans
1 tsp. vanilla

Preheat oven to 350*
Mix all ingredients and bake in a 9x13-in. pan for 45 minutes.
Cool on rack, cut while warm.