Apple and cinnamon muffins
medium apples • all-purpose flour (about 250 grams) or spelt flour (gluten-free flour) • baking powder • ground cinnamon • packed brown sugar (about 125 grams), plus 4 teaspoons for topping • honey (125 ml) • runny yogurt (about 60 ml) or 2 tablespoons yogurt mixed with 2 tablespoons milk (about 30 grams yogurt + 30 ml milk) • corn oil (125 ml) • eggs • chopped almonds (about 75 grams)