To prepare a tunnel of fudge cake scratch baked goods recipe, you will first need to prepare the following ingredients: Preheat the oven to 350?F (180?C) Grease and flour two 9x9-inch baking pans. Line the bottom and sides of each pan with parchment paper. Set aside. Cream the butter and sugar until light and fluffy. Beat in the vanilla. Add the flour mixture and beat until just combined. Pour the batter into the prepared pan and bake for 30 to 35 minutes or until the cake is set. Allow to cool before removing from the pan.