Mystery Bars - cooking recipe

Ingredients

1/2 c. butter
1/2 c. brown sugar
1 c. flour
2 eggs
1 c. brown sugar
1 tsp. vanilla
2 Tbsp. flour
1/2 tsp. baking powder
1/4 tsp. salt
1/2 c. shredded coconut (optional)
1 c. chopped nuts

Preparation

Cream butter and sugar.
Add flour.
Pat evenly into well buttered 8 x 8-inch pan.
Bake 20 minutes at 300\u00b0.