Cinnamon Roll Cake

Cinnamon Roll Cake

💥Ingredients💥

For the cake:

1/2 cup butter
1 1/2 cup sugar
1/2 cup sour cream
2 teaspoons vanilla extract
6 egg whites (save yolks for another use)
2 1/2 cups all-purpose flour
1 teaspoon cinnamon
4 teaspoons baking powder
1/2 teaspoon salt
1/2 cup milk
1/2 cup water
For the frosting:

1 1/2 cup butter
1 1/2 cups shortening
12 cups powdered sugar
1 teaspoon vanilla extract
1 teaspoon cinnamon
1/2 cup milk
For the frosting: