Cinnamon Chocolate Chip Sour Cream Cake - recipe adapted very slightly from Smitten Kitchen
Preheat oven to 350 degrees
Cake
1/2 cup unsalted butter at room temperature
1 1/2 cups granulated sugar
3 large eggs, separated
1 1/2 teaspoons vanilla
2 cups sour cream
3 cups flour
1 teaspoon baking powder
1 1/2 teaspoons baking soda
3/4 teaspoon salt1 1/2 teaspoons baking soda
Filling and Topping
1 tablespoon flour
2 cups chocolate chips
1/2 cup granulated sugar
1 teaspoon cinnamon
Butter a 9x13 inch baking pan. And lay a sheet of parchment paper in the bottom.
In a large bowl, cream butter and 1 1/2 cups sugar. Beat in egg yolks and vanilla. In a separate bowl, combine flour, baking soda, baking powder and salt. Alternately mix in sour cream and then dry ingredients into the butter mixture until both are used up and the batter is smooth and VERY thick.
Beat egg whites until stiff and then fold into the batter. The batter is REALLY thick but you want to try to fold in the egg whites without deflating them.
In a small bowl, mix together the filling/topping ingredients. The flour helps keep the chocolate chips from sinking.
Spread half of the cake batter in the bottom of the prepared pan. Sprinkle with 1/3 or 1/2 of the chocolate chips and cinnamon-sugar. Drop giant spoonfuls of batter on top of the chocolate chips and try to smooth them around making sure you don't mix in the chocolate chips. Sprinkle the rest of the chocolate chips and cinnamon-sugar over the top and lightly press into the batter... just so they stick.
Bake for 40 to 50 minutes, turning it around halfway through, until a toothpick inserted into the center of the cake comes out clean.
I should have used a bigger bowl to fold everything together. My set up was a bit small!
Like I said, I baked this cake for a work meeting, so it sat, loosely covered for 15 hours or so. It was great and didn't dry out.
This is such a good cinnamon-sugar hit with a nice chocolate kicker. And it easily cuts into 30 pieces. It's a filling cake.
Happy Eating!