Ingredients Souffle: 1/2 cup butter (1 stick), at 70 degrees, plus much more to grease pan 5 medium sweet taters 2 large eggs 1 cup granulated sugar 1 1/2 teaspoons vanilla flavoring 1/2 cup milk Pinch of salt Topping: 1 cup finely chopped pecans 1 cup brown sugar, packed 1/2 cup all-purpose flour