Coffee Cake Muffins Recipe

Ingredients (15)

• For the Streusel:
• 1/2 cup (5 ounces) all-purpose flour
• 1/2 cup (4 ounces) dark brown sugar
• 4 tablespoons butter, at room temperature
• 1 teaspoon ground cinnamon
• For the Muffins:
• 2 1/4 cups (about 11 1/2 ounces) all-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• pinch of salt
• 5 tablespoons butter, at room temperature
• 1/3 cup vegetable oil
• 1 cup sugar
• 2 eggs
• 1 cup sour cream