Apple Crumb Muffins

Ingredients

• 5 Tablespoons cold butter, cut into small cubes
• 1 3/4 cups all-purpose flour
• 1/2 cup all-purpose flour
• 1/8 teaspoon ground nutmeg
• 1/2 teaspoon vanilla extract
• 1/2 teaspoon ground cinnamon
• 3/4 cup plus 2 tablespoons buttermilk
• 2 large eggs
• 1/2 teaspoon baking soda
• 250 g apples, peeled, cored and cut into ¼-inch cubes
• 1/4 cup brown sugar
• 1/3 cup light brown sugar
• 1/2 cup granulated sugar
• 6 tablespoons butter, melted and slightly cooled
• 1/4 teaspoon salt
• 2 teaspoons baking powder
• 1 teaspoon ground cinnamon