Author, restaurateur and Food & Wine contributor Nicole Ponseca writes: "Philippine Purple Yam is a tuber almost exclusively grown in the Philippines and is otherwise commonly referred to as Ube ...

1) Peel and dice your sweet potatoes, then place them in a casserole dish. Pre-heat your oven to 350. 2) Slowly melt 2 sticks of butter in a pot on low heat. Cut them in half so they’ll melt faster.

Cover and bake at 350 F for 30 minutes. Uncover, and continue to bake until apples are tender and the top is golden brown. For a variation, add 1/4 teaspoon nutmeg and 1/4 cup chopped English walnuts ...