KETO: Guiso de espinacas y chayote con carne
lean ground beef • chayotes (also called mirliton or vegetable pear) • spinach (about 300 grams, or more) • medium onion • Cumin, to taste • Paprika, to taste • Worcestershire sauce, to taste • Salt, to taste • butter (about 25 grams or 1/4 stick)