Preheat oven to 350. Grease and flour a 13x9x2 pan. Prepare
cake mix as directed on package, except add enough water to
1/3 c. of lemonade concentrate to equal the amount of liquid
called for on the cake directions. Pour cake batter into baking
pan. Bake as directed on cake box and cool for about 15
minutes. Mix remaining lemonade concentrate and powdered
sugar. Prick the warm cake with a fork and then drizzle
lemonade mixture over entire cake.