Add sauce ingredients into a food processor and mix until smooth and consistent. Then, set aside.
Preparring the Burrito
Add the 1/2 cup of dry basmati rice into a cooking pot with 3/4 cup of water. Bring to a boil, then simmer and cover with a lid. Cook for exactly 17 minutes.
While the rice is cooking, slice the 1 whole red potato and 3 cups of cauliflower into small wedges and add into a seperate cooking pot. Add 1 cup of water and bring to a boil and cook until the potatoes and cauliflower are tender. About 10 minutes or less.
Mince the 1 cup of yellow onion.
Warm the 1 whole flour tortilla on a skillet. Place the rice, cauliflower, potato, and onion inside and roll into a burrito. Use the sauce on top or as a dipping sauce.