Apple Spice Muffins

Ingredients

• * 2 cups all-purpose flour (about 240g)
• * 1 1/2 teaspoons baking powder (7.5ml)
• * 1/2 teaspoon baking soda (2.5ml)
• * 1/2 teaspoon salt
• * 1 tablespoon ground cinnamon (15ml)
• * 1/2 teaspoon ground nutmeg
• * 1/2 cup unsalted butter (softened (115g))
• * 1 cup granulated sugar (about 200g)
• * 2 large eggs
• * 1 teaspoon vanilla extract (5ml)
• * 1/2 cup sour cream (120ml)
• * 2 cups diced apples (peeled and cored)