Grandma's Honey Bun Cake

Ingredients

• 1 package yellow cake mix , 15.25 ounce
• 1 cup sour cream
• 4 large eggs
• 0.67 cups vegetable oil
• 1 cup brown sugar
• 3.5 teaspoons ground cinnamon
• 3 cups confectioners' sugar
• 0.75 cups milk
• 2 teaspoons vanilla extract

Instructions

1. 1

   Gather all ingredients. Preheat the oven to 325 degrees F (165 degrees C). Lightly grease a 9x13-inch baking pan.

2. 2

   Beat cake mix, sour cream, eggs, and oil together in a bowl with an electric mixer for 3 minutes.

3. 3

   Pour 1/2 batter into the prepared baking pan.

4. 4

   Combine brown sugar and cinnamon in a small bowl; sprinkle over batter in the pan.

5. 5

   Carefully pour remaining 1/2 batter over brown sugar-cinnamon layer.

6. 6

   Bake in the preheated oven until a toothpick inserted into center comes out clean, 45 to 50 minutes.

7. 7

   Combine confectioners' sugar, milk, and vanilla in a bowl.

8. 8

   Poke holes in hot cake with a fork; pour confectioners' sugar mixture over top of cake.

9. 9

   Cool cake completely before serving, about 30 minutes.