Tangy lime juice fuels this Mexican chicken soup that soothes the soul

Name: Tangy lime juice fuels this Mexican chicken soup that soothes the soul
Cuisine: Mexican, Latin American, American
Ingredients: 1 whole chicken (about 3½ to 4 pounds), gizzards, heart, neck and liver removed; 8 cloves garlic, sliced thin; 1 tablespoon fennel seeds; 4 lime peel strips; 4 lemon peel strips; 3 grapefruit peel strips, optional; 8 to 10 cups homemade chicken stock or chicken stock made with Better-Than-Bouillon; ¼ cup lime juice; ¼ cup lemon juice; Kosher salt; ½ cup vegetable, grapeseed or other fry oil; 6 corn tortillas cut into ¾-inch wide strips; Freshly ground black pepper; Chopped cilantro, for serving; Chopped scallions, for serving; 3 limes, cut into wedges for serving; 1 lemon or Meyer lemon cut into wedges for serving