Mix the cassava, arrowroot, baking powder, baking soda, nutmeg, and salt together in a bowl and whisk.
In a separate bowl whisk together the egg, sugar, honey, milk, yogurt, butter, and vanilla until combined.
Whisk the two bowls together just until they are combined
Transfer the batter to the donut pan, filling them about ⅔ way full.
Bake in the oven for about 8-12 minutes depening on your oven. You want to be able to insert a toothpick and it come out clean and the donut bounces back when you press on it while being slightly golden in color.
While the donuts are cooking combine the ingredients into a bowl for hte frosting and whisk until combined and set it aside.
Remove the donuts form the oven and allow them to cool slightly before removing them from the pan.
Dip the donuts into the glaze as desired while they are still slightly warm
Top with sprinkles if desired and enjoy!
Notes
Make sure to measure the cassava flour and arrowroot, this will yield the best results.Sub the egg for flax egg to make these egg-free.Sub dairy-free alternatives to keep these donuts dairy-free.