Preheat oven to 350 degrees.
In a bowl, combine all dry ingredients.
In a separate bowl, combine the eggs, coconut oil, raw honey, milk, lemon essential oil (or lemon juice) and vanilla. Mix well, and then stir into dry ingredients until thoroughly mixed (no flour lumps).
Add shredded carrot, apple and chocolate chips to mixture.
Bake at 350 degrees F for 20 minutes.
Stick a toothpick to test whether the muffins are done.