Hot Fudge "Pie"

1/4 cup butter
1/4 cup cocoa
1 1/4 cups granulated sugar
1/4 cup all-purpose flour
3 eggs, beaten

Melt butter; add to mixture of dry ingredients. Add eggs, one at a time, mixing well after each. Pour into ungreased 9-inch square pan. Bake at 300 degrees F for 30 to 40 minutes.

Serve warm with ice cream.