Some cake mixes are packed with sugar and other artificial ingredients. These are some of the boxed cake mixes you should avoid.

First I preheated the oven to 350°F, following the directions on the box, and broke out the additional ingredients the recipe calls for: milk, vegetable oil, eggs, and an egg yolk.

Sour cream also helps to enhance the richness of the cake, with its subtle tang balancing perfectly with the sweetness of the chocolate, and it gives it a wonderfully velvety texture.

Boxed cake mix is always handy to have on hand, and it's good for more than just cake. Add just two more ingredients to transform it into something new.

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