For the muffins:
1 cup (125 grams) whole spelt, whole wheat pastry, or whole wheat flour
½ teaspoon baking powder
1 teaspoon cinnamon
½ teaspoon nutmeg
¼ teaspoon allspice
¾ teaspoon baking soda
¼ teaspoon salt
1 egg
⅓ cup (100 grams) honey
¼ cup + 2 tablespoons (90ml) olive oil or canola oil
1 teaspoon vanilla extract
¼ cup (60ml) plain yogurt or buttermilk
1 cup (180 grams) peeled and chopped apple, preferably from baking apples

For the topping:
⅓ cup (45 grams) whole spelt, whole wheat pastry, or whole wheat flour
½ cup (100 grams) unrefined brown sugar, or normal brown sugar
2 tablespoons (30 grams) melted butter
2 teaspoons cinnamon