Coffee Cake with Streusel Topping Recipe - Petite Panini

Ingredients

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