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3.42 from 12 votes

Cake Mix Sour Cream Coffee Cake

This Cake Mix Sour Cream Coffee Cake pairs a moist vanilla cake with an irresistible cinnamon brown sugar streusel. Super easy to make!
Course: Breakfast
Cuisine: American
Keyword: brunch recipe, cake mix recipe, coffee cake
Author: Kasey Schwartz

Ingredients

  • 1 package yellow cake mix mix only, not prepared
  • 1 cup water
  • 2 eggs
  • 1 cup sour cream
  • 1/3 cup butter melted
  • 1 tsp vanilla
  • Crumble Topping
  • 1 cup brown sugar packed
  • 1/2 cup sugar
  • 2 tsp cinnamon
  • 1/2 tsp salt
  • 1 cup 2 sticks unsalted butter melted
  • 2 1/2 cups all-purpose flour
  • OPTIONAL GLAZE
  • 1/2 cup powdered sugar
  • 1-2 tsp milk

Instructions

  • Preheat the oven to 350 and grease a 9x9 or 9x11 inch baking dish with cooking spray.
  • First, in a bowl whisk together flour, brown sugar, sugar, salt, and cinnamon. Cut in chilled butter until crumbly. Set aside.
  • Next, in a large bowl combine cake mix, water, egg, sour cream, melted butter, and vanilla and mix until combined.
  • Spread half the cake batter in the bottom of the greased baking dish.
  • Sprinkle half of the crumble mixture.
  • Then, top with dollops of remaining cake batter and spread with a greased rubber spatula and gently spread the remaining batter over the crumble
  • Top with remaining crumble.
  • Bake for 30-35 minutes until an inserted toothpick comes out clean.
  • While the cake is baking, prepare the glaze and drizzle over the cake after it’s cooled for about 10 minutes.