Chocolate Cake (from cake mix)

Ingredients:

1 box chocolate cake mix

1 cup all-purpose flour

1 cup sugar

6 Tblsp. cocoa

3/4 tsp. salt

1 1/3 cups water

2 Tblsp. vegetable oil

3 eggs + 2 egg yolks

1 cup Greek yogurt or sour cream

Preparation:

1. Mix dry ingredients with a whisk, then add wet ingredients.

2. Beat for two minutes, until fluffy.

3. Pour into greased, floured pans (fills two 8" or 9" rounds).

4. Bake according to cake package directions.