Chocolate Chip Sour Cream Coffee Cake – Flourist

Ingredients

• 1/2 cup (114g) unsalted butter, room temperature
• 1 1/2 cups (324g) sugar
• 3 eggs, separated
• 1 1/2 tsp (11g) vanilla
• 2 cups sour cream
• 3 cups (417g) Flourist Sifted Red Fife Flour
• 1 tsp baking powder
• 1 1/2 tsp baking soda
• 3/4 tsp salt
• 2 cups (350g) bittersweet or semisweet chocolate chips
• 1/3 cup 72g) sugar
• 1 tsp cinnamon