In a large bowl, mix together all the MEATBALL ingredients and form into small meatballs. Set aside.
In a large pot, add the avocado oil and onions, Saute for about 5 minutes.
Add in the broth and tomato sauce, salt and pepper to taste. Slowly add in the meatballs. Cover and cook for about 10 minutes or until the liquid is boiling.
Next add in the carrots and rice and cook for another 8 minutes.
Pour in the zucchini, lemon juice, and cilantro and cook for another 5 minutes or until it's soft. Adjust seasoning as needed.
Serve with lemon juice, hot sauce, and tortillas (optional)