Coffee Cake with Streusel Topping Recipe - Petite Panini

Ingredients

• 2 1/4 cups all-purpose flour
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 3/4 cup unsalted butter
• 1 cup granulated sugar
• 2 large eggs
• 1 cup sour cream
• 1 tsp vanilla extract
• 3/4 cup brown sugar
• 1/2 cup all-purpose flour
• 1 tsp ground cinnamon
• 1/4 tsp ground nutmeg
• 1/4 cup unsalted butter
• 3/4 cup powdered sugar
• 2 tbsp milk
• 1/4 tsp vanilla extract