Sweet Potato Souffle
["2 c. mashed sweet potato *", "1 1/4 c. granulated sugar", "2 eggs", "3/4 stick butter", "1 c. milk", "1/2 tsp. nutmeg", "1/2 tsp. cinnamon"]
["*If canned sweet potatoes are used, use only 1/2 cup milk."]
["mashed sweet potato", "sugar", "eggs", "butter", "milk", "nutmeg", "cinnamon"]