Pineapple Glazed Yams

Adapted from http://www.delmonte.com/

1 can (15.25 oz.) Crushed Pineapple , undrained
1-1/2 lb. sweet potatoes or yams, mashed
1/4 cup firmly packed brown sugar
3 Tbsp. butter , melted
1 tsp. ground cinnamon

Preheat oven to 375°F.

Combine above ingredients in a greased 9-inch square or 2-qt. baking dish.

Bake in preheated oven for 35 minutes or until potatoes are tender.