Makes 15 tostadas INGREDIENTS 2 cups water 1 chicken breast, skinless 2 chicken thighs, skinless 2 chicken legs, skinless ½ large white onion (half reserved), chopped 1 tablespoon black pepper 1 teaspoon ground allspice 1 teaspoon salt 1 cup green pumpkin seeds 2 tablespoons sesame seeds 1 teaspoon cumin seeds 2 whole allspice berries 3…