Chocolate Frosted Yellow Sour Cream Sheet Cake

Nancy Allen


The chocolate frosting on this cake is easy and very fudgey and the cake has sour cream in it to make it moist and delicious.


★★★★★ 1 vote

18-20 servings
10 Min
30 Min


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  • 1 box
    duncan hines yellow cake mix
  • 8 oz
    sour cream
  • 1/2 c
    vegetable oil
  • 1/4 c
  • 1/4 c
  • 4 large

  • 3
    squares unsweetened chocolate
  • 1/4 c
  • 4 c
    powdered sugar
  • 1/8 tsp
  • 1/3 c
  • 1 tsp
    pure vanilla extract
  • 1 c
    mini chocolate chips ( these get sprinkled on top of cake batter just before baking)

How to Make Chocolate Frosted Yellow Sour Cream Sheet Cake


  1. Preheat oven to 350. In a mixer blend all ingredients in the order given at high speed for 2 minutes.
  2. Pour into well greased cookie sheet with sides. Sprinkle the mini chocolate chips over the top. Bake for 30 minutes or until cake tests done in the middle. Let the cake cool 10 minutes then frost.
  3. Frosting-Melt chocolate and butter over hot water or in the microwave. Combine sugar, salt, milk and vanilla. Stir in chocolate mixture and blend well. Makes 2 cups. Enough for the sheet cake.

Printable Recipe Card

About Chocolate Frosted Yellow Sour Cream Sheet Cake

Course/Dish: Cakes, Chocolate
Main Ingredient: Dairy
Regional Style: American
Other Tag: Quick & Easy

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