Preheat the oven to 350F. Spray donut pan with nonstick spray
In a medium bowl, whisk together brown sugar and egg. Ad your milk, sour cream, and vanilla and whisk until combined
Then add in your dry ingredients: coconut sugar, flour, baking powder, and salt
Spoon the mixture into the donut pan. Make sure it is spread evenly
Bake donuts for 8-10 minutes
While this cooks, melt your butter. In a separate small bowl combine your sugar and cinnamon
Once the donuts have cooled, dip them in the butter and then dip in sugar mixture. SERVE