Cinnamon Coffee Cake | Crystal Creamery

Ingredients

• 1 ¾ cup all-purpose flour
• 2 teaspoons baking powder
• ¼ teaspoon salt
• ½ cup (1 stick) Crystal unsalted butter, at room temperature
• 1 cup granulated sugar
• 1 teaspoon pure vanilla extract
• 1 large egg
• 1 cup Crystal sour cream
• 2 tablespoons Crystal whole milk
• ⅔ cup all-purpose flour
• ⅔ cup packed light or dark brown sugar
• 1 tablespoon ground cinnamon
• 6 tablespoons very cold Crystal unsalted butter, cut into small pieces