For the buns

1. Preheat oven to 375°F.  Line a baking sheet with a silicone mat or parchment paper.  Set aside.
2. In a large bowl fold together the mashed potatoes, almond flour, tapioca, coconut flour, baking powder, salt, olive oil and eggs, until the mixture just comes together
3. Knead the dough for an additional 3-4 minutes until it’s smooth and turns into a ball.
4. Divide the dough into 8 pieces.  
5. Roll a piece of dough in your hands until smooth.  Flatten slightly then place on the prepared baking sheet.
6. Repeat with the remaining dough.

To Finish

1. In a small bowl or measuring cup, whisk together the egg and water.  Brush the rolls with the egg wash until completely coated.
2. Sprinkle with dried onion or garlic if desired.
3. Bake for 25 minutes until golden brown.  Serve immediately.
4. Store an leftover buns in the refrigerator or freezer and warm/toast before serving.