Vegetarian Meatballs
1/2 cup uncooked white quinoa 1 cup water 1-1/2 teaspoons kosher salt, divided 4 cups riced cauliflower (12-ounce package) 1/2 cup olive oil, divided 8 ounces sliced fresh shiitake mushrooms (about 4 cups) 1 medium shallot, finely chopped (about 1/4…