TOPPING:

1/2 c. flaked coconut
1/3 c. packed brown sugar (dark)
1/4 c. chopped nuts (walnuts)
3 tbsp. butter, melted
2 tbsp. milk

CAKE:

1 1/2 c. Bisquick
1/2 c. sugar
1 egg
1/2 c. milk
1 1/2 tsp. vanilla

Heat oven to 350 degrees. Grease and flour sides of square pan, 8 x 8 x 2 inches or round pan, 9 x 1 1/2 inches. Mix first 5 ingredients in bowl until sugar dissolves. Spread evenly into bottom of pan, covering the entire surface. Set aside.

Beat the remaining 5 ingredients with mixer on low speed, scraping bowl constantly, 30 seconds. Beat on medium speed, scraping bowl occasionally, 4 minutes. Gently pour into pan and use knife to spread evenly. Do not mix with topping mixture. Bake until wooden pick inserted in center comes out clean, about 35-45 minutes. Cool slightly. Turn over onto plate. Serve warm or let cool.