Brown Butter-Cinnamon Crumb Cake Recipe - Los Angeles Times

Ingredients

• 3/4 cup (1 1/2 sticks) unsalted butter, plus more for greasing
• 2 tablespoons high-quality ground cinnamon (see Kitchen Note)
• 2 cups all-purpose flour
• 3/4 cup granulated sugar
• 1/4 cup packed light brown sugar
• 1 1/2 teaspoons kosher salt, preferably Diamond Crystal
• 1/2 cup (1 stick) unsalted butter, at room temperature, plus more for the pan
• 2 cups all-purpose flour, plus more for rolling
• 2 teaspoons baking powder
• 1 teaspoon kosher salt, preferably Diamond Crystal
• 1/4 teaspoon baking soda
• 1 cup granulated sugar
• 1 tablespoon pure vanilla extract
• 2 large eggs
• 1/3 cup sour cream
• 1 cup whole milk
• Powdered sugar, to garnish (optional)