Name: Corn Muffins
Ingredients: 2 cups (10 oz) all purpose flour; 1 cup (5 oz) yellow cornmeal; 1½ teaspoons baking powder; 1 teaspoon baking soda; 1 teaspoon salt; ¾ cup sour cream; ¾ cup (5¼ oz) sugar; ½ cup whole milk; 8 tablespoons (1 stick) unsalted butter (melted and cooled); 2 large eggs; 1 (11 oz) can whole corn kernels, drained (optional)