tunnel of fudge cake

1 1/2 cups butter
6 eggs
1 1/2 cups granulated sugar
2 cups flour
1 box fudge frosting mix
2 cups chopped nuts

Preheat oven to 350 degrees F. Grease and flour a Bundt pan.

In mixer, cream butter and sugar together. Add eggs and beat well. Add flour and frosting mix, then nuts. Do not over-beat. Pour into pan and bake for one hour. The top of the cake should rise and be shiny. Cool. Dust with confectioners? sugar.