Prep Time::25 mins
Cook Time::25 mins
Total Time::50 mins
Servings::12
Yield::1 9×13-inch cake
Ingredients
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2 ½ cups all-purpose flour
1 ½ teaspoons baking powder
1 teaspoon baking soda
1 cup semisweet chocolate chips
1 ½ cups white sugar, divided
1 teaspoon ground cinnamon
½ cup butter, softened
2 large eggs
1 cup sour cream
1 teaspoon vanilla extract
Directions
Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 9×13-inch pan.
Stir flour, baking powder, and baking soda together in a medium bowl. Combine chocolate chips, 1/2 cup sugar, and cinnamon in a small bowl.
Cream remaining 1 cup sugar and butter in a large bowl with an electric mixer. Mix in eggs, sour cream, and vanilla until well combined. Mix in flour mixture until incorporated; batter will be thick.
Spread 1/2 of the batter into the prepared pan. Sprinkle 1/2 of the chocolate chip mixture over top. Repeat layers once more.
Bake in the preheated oven until a toothpick inserted near the center comes out clean, 25 to 30 minutes.
Remove from the oven and place onto a wire rack to cool.