1Heat oven to 350°F. Cook and drain pasta shells as directed on package.
2Meanwhile, in 2-quart saucepan, cook beef and onion over medium heat 8 to 10 minutes, stirring occasionally, until beef is thoroughly cooked; drain. Stir in cilantro, cumin, chiles and beans.
3In ungreased 13x9-inch (3-quart) glass baking dish, spread 1 cup of the salsa. Spoon about 1 1/2 tablespoons beef mixture into each shell. Place shells, filled sides up, on salsa in dish. Pour remaining salsa evenly over shells. Sprinkle with cheese.
4Cover with foil; bake 30 minutes. Uncover; let stand 10 minutes before serving.