Delicious Skillet Coffee Cake Recipe

Ingredients

• 1 1/2 cups all-purpose flour
• 1 cup granulated sugar
• 1/2 cup unsalted butter, softened
• 1/2 cup sour cream
• 1/4 cup milk
• 2 eggs
• 1 teaspoon vanilla extract
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/3 cup brown sugar
• 1 teaspoon ground cinnamon