Combine the first 9 ingredients; mix well. Spoon into 8 greased muffin cups, using 1/4 cup in each. Bake at 350 degrees for 45 minutes or until browned. Meanwhile, melt butter in a saucepan; stir in the flour to form a smooth paste. Gradually stir in milk; bring to a boil over medium heat, stirring constantly. Cook for 2 minutes or until thickened. Remove from the heat; stir in lemon juice, salt and cayenne. Serve over patties.