Poppy Seed Cake

1 Package (18 oz)yellow cake mix
1 Package (3 1/4 ounces instant French vanilla pudding (use lemon pudding if you want lemon poppy seed cake)
4 eggs
1 cup thick sour cream
1/2 cup water
1 teaspoon rum flavoring
1/2 cup butter or margarine, melted
1/4 cup poppy seeds

Combine cake and pudding mixes, eggs, sour cream, water, rum flavoring, butter and poppy seeds in large bowl of electric mixer. Blend well on low speed, then beat at medium sped for 5 minutes

Pour batter into greased bundt cake pan. Bake at 350 for 45 minutes.

Remove from oven and cool in pan for 15 minutes. Turn out onto cake rack and cool completely. Sift powdered sugar over cake.