Preheat oven to 400°F. Grease a muffin tin. Set aside.
In large mixing bowl combine dry ingredients buckwheat flour through cloves. Stir to combine.
In another large bowl combine eggs, maple syrup, yogurt, oil and milk. Whisk until smooth.
Pour wet ingredients into dry ingredients and mix until smoothly combined.
Fold in one grated apple.
Spoon your muffin batter into your greased tin, filling each right up to the top.
Thinly slice an apple and place 2-4 slices on each muffin, pushing them down slightly into the batter.
Optionally, sprinkle the tops with coconut sugar.
Bake for 18-20 minutes or until the edges are turning golden and the centers are firm.
Let cool for at least ten minutes before lifting from the tin.