In a food processor or blender, combine basil, apple, cheese, walnuts, garlic, TABASCO® Sauce and salt. Turn on motor and gradually add oil until mixture is smooth. Transfer to a bowl; cover and set aside.
Combine ground beef, turkey, egg, bread crumbs, club soda, and TABASCO® Sauce in a large bowl and mix well. Using 1 tablespoon mixture for each meatball, shape into small meatballs.
In a 12-inch non-stick skillet over medium-high heat, cook meatballs until well browned on all sides, turning frequently. Add water to skillet and bring to a boil. Reduce heat to low; cover and simmer 10 minutes.
Meanwhile, cook pasta according to package instructions; drain. Combine pasta, pesto sauce, meatballs and their liquid, and red pepper strips in a large bowl and toss until well mixed. Serve immediately.
Makes 6 servings.