caldo de res recipe

**Ingredients:** - 2 pounds beef shank, with bone (cut into 2-inch pieces) - 1 large onion, chopped - 3 cloves garlic, minced - 2 ears of corn, cut into thirds - 3 carrots, peeled and cut into large chunks - 2 potatoes, peeled and cut into large chunks - 1 chayote squash, peeled and cut into large chunks (optional) - 2 zucchini, cut into large chunks - 1/2 head of cabbage, cut into wedges - 2-3 tablespoons chopped fresh cilantro - 1 teaspoon salt (or to taste) - 1/2 teaspoon ground black pepper - 8 cups water - Lime wedges (for serving) - Cooked rice (for serving) - Warm corn tortillas (for serving)