Sweet Potato Balls
["3 c. cooked yams", "3/4 c. brown sugar", "1/4 tsp. salt", "1/4 c. crushed cornflakes*", "2 Tbsp. milk", "1/2 tsp. grated lemon rind", "16 marshmallows"]
["*One-half nuts and 1/2 cup flakes are nice for special occasions."]
["yams", "brown sugar", "salt", "crushed cornflakes", "milk", "lemon rind", "marshmallows"]