Preheat the oven to 375℉/190℃. Line two muffin trays with liners and set aside. Grate half of the carrots on the fine side of the grater, and the other on the coarse side (for optimal texture*). Then grate the apples coarsely. Set both aside.
1 1/2 cups shredded carrots, 1 cup shredded apples
In a bowl, add the flour, oats, baking soda, baking powder, cornstarch, cinnamon, nutmeg, cloves, and salt. Stir to combine and set aside.
2 1/4 cups all-purpose flour, 1/2 cup rolled oats, 1/8 tsp cloves, 1 tsp baking soda, 1 1/2 tsps baking powder, 1/8 tsp nutmeg, 1 1/2 tsps cinnamon, 2 tsps cornstarch, 1/2 tsp salt
In another large bowl, add the brown sugar, oil, eggs, vanilla, orange zest, and sour cream. Whisk until well combined.
1 cup dark brown sugar, 3/4 cups oil, 2/3 cups sour cream, 1 tbsp vanilla, 1 tsp orange zest, 2 large eggs
Add the shredded apples and shredded carrots in. Then mix in the dried cranberries, shredded coconut, and chopped pecans in. Gently whisk until well combined and mixed.
1 1/2 cups shredded carrots, 1 cup shredded apples, 1/2 cup pecans or walnuts, 1/2 cup unsweetened shredded coconut, 1/2 cup dried cranberries
Combine the dry and wet ingredients together gently with a spatula, just until a soft muffin batter forms and no flour streaks appear. Do not over-mix!
Scoop evenly between the liners. If using tulip liners, fill them about halfway (you will get 12 total). If using regular liners, fill them to the top (you will get 16 total). Add extra add-ins on top if desired.
Bake the muffins for 25-30 minutes in tulip liners, and 21-25 minutes in regular liners. The muffins are ready when a toothpick inserted comes out clean. Allow to cool, and enjoy!