Caramel Cake with Black Walnuts
1 Duncan Hines Yellow Butter Cake Mix
1 Box Brown Sugar
1 stick of margarine
1/2 cup Evaporated (can) milk
Bake cake according to directions in either 2 or 3 layers
Cook to a soft ball, using a candy thermometer.
Remove from heat and add 1 tsp vanilla flavoring.
Add 1 cup black walnuts.
Spread evenly over cake.