1/2 c. butter
2 1/4 c. packed brown sugar
1/4 c. undiluted orange juice concentrate
4 eggs
2 c. flour
2 tsp. baking powder
1 tsp. salt

FROSTING:

4 tbsp. butter
2 c. confectioners sugar
Dash of salt
2-4 tbsp. orange juice concentrate
Chopped walnuts

Melt butter in large saucepan (in which all ingredients will be mixed). Remove melted butter from heat and stir in brown sugar and orange juice concentrate. Beat in eggs one at a time. Blend in flour, baking powder, and salt. Bake in 9 x 13 greased pan at 350 degrees for 40-45 minutes or until done. Cool completely on rack before frosting.

For frosting, beat softened butter with confectioners sugar, salt, and enough orange juice concentrate until correct consistency. Frost cool brownies, top with chopped walnuts. Cut into squares when icing is set.