For a special treat, spoon sweet potato mixture into 1-1/2-qt. ovenproof casserole. Bake 20 min. Top with 1 cup JET-PUFFED Miniature Marshmallows; bake an additional 10 min. or until golden.
Prepare using KRAFT Zesty Italian Dressing and BREAKSTONE'S or KNUDSEN Sour Cream.
Garnish with a light sprinkling of ground cinnamon just before serving.