1 c. buttermilk baking mix (Bisquick)
1 c. granulated sugar
3 tbsp. plus 1/3 c. unsweetened cocoa powder
1/2 c. milk
1 tsp. vanilla
1 2/3 c. hot tap water
Confectioners sugar (optional)

Mix buttermilk baking mix, 1/2 cup granulated sugar and 3 tablespoons cocoa in greased 8-inch square baking dish. Stir in milk and vanilla until well blended. Sprinkle evenly with remaining 1/3 cup cocoa and 1/2 cup granulated sugar. Pour on water. Bake in preheated 350 degree oven for 40 minutes or until top is firm. Dust with confectioners sugar. Serve at once in dessert bowls with sauce spooned over cake. Makes 6 servings.