1 pkg. spice cake mix
1 can (15 oz) pure pumpkin
1/3 cup vegetable oil
1/3 cup water
1 container vanilla or cream cheese frosting
Blend cake mix, pumpkin, eggs, oil and water in a large mixer bowl until moistened. Beat on medium speed for 2 minutes.
Pour batter into 24 paper lined cups, filling 3/4 full.
Bake in preheated 350 degree F oven for 16-21 minutes or until wooden pick inserted in center comes out clean.
Cool in pan for 10 minutes. Remove to wire racks to cool completely.
Spread cupcakes with frosting. Decorate with sprinkles, if desired.