Coffee cake has become a tasty Christmas tradition for our host, William Ryan III, and his family. This year, they are sharing this delicious coffee cake recipe with you! Cinnamon Crumb Coffee Cake by Go Go Go Gourmet Ingredients Cake -1 stick butter softened -3/4 cup sugar -1 tsp vanilla -1 egg -2 cups flour -2 tsp baking powder -pinch salt -3/4 cup milk Filling -3 tablespoons butter softened -1 tablespoon cinnamon -1/2 cup flour -1/2 cup packed