Coffee Cake Recipe

Name: Coffee Cake Recipe
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: ⅔ cup packed light brown sugar ((147g)); ¼ cup all-purpose flour ((30g)); 2 teaspoons ground cinnamon; ¾ cup all-purpose flour ((90g)); ½ cup packed light brown sugar ((110g)); ¼ teaspoon salt; 6 tablespoons cold unsalted butter (diced (85g)); 1¾ cups all-purpose flour ((210g)); 2 teaspoons baking powder; ¾ teaspoon salt; 10 tablespoons unsalted butter (softened (142g)); ¾ cup granulated sugar ((150g)); ¼ cup packed light brown sugar ((55g)); 2 large eggs (room temperature); ⅔ cup sour cream (room temperature (160g)); 2 teaspoons vanilla extract; 1 cup powdered sugar ((120g)); 2 tablespoons whole milk; ½ teaspoon vanilla extract