Peel the skin from the apples and grate on the coarse side of a cheese grater. Set aside. (To prevent browning, place grated apples in a bowl and cover with lemon juice and water. Drain before adding to the batter.)
2. Step
Preheat oven to 350°F/180°C.
3. Step
In a large bowl, beat the eggs with a whisk until foamy and pale.
4. Step
Add the greek yogurt, honey, and vanilla, to the bowl and whisk until the mixture is thick and well combined.
5. Step
Sprinkle on the rolled oats, baking powder, salt, cinnamon, and the grated apple.
6. Step
Use a spatula to fold the wet and dry ingredients together.
7. Step
Pour in the almond milk and continue mixing until everything is well incorporated.
8. Step
Using a medium ice cream scoop, portion the batter into 12 muffin tin cups lined with cupcake liners.
9. Step
Top with your choice of toppings.
10. Step
Bake for 35-40 minutes, until the muffins have set and just started to turn golden brown.
