Best Sour Cream Coffee Cake Recipe - How to Make Sour Cream Coffee Cake

Ingredients

• Cooking spray
• 3 c. all-purpose flour
• 2 tsp. baking powder
• 1 tsp. kosher salt
• 1/2 tsp. baking soda
• 3/4 c. (1 1/2 sticks) butter, softened
• 1 c. packed light brown sugar
• 1/2 c. granulated sugar
• 3 large eggs
• 2 tsp. pure vanilla extract
• 1 1/2 c. sour cream
• 3/4 c. buttermilk
• 3/4 c. packed light brown sugar
• 3/4 c. all-purpose flour
• 1 tbsp. ground cinnamon
• Pinch kosher salt
• 1/2 c. (1 stick) cold butter, cut into cubes