COOK pasta in large saucepan as directed on package, omitting salt. Meanwhile, cook bacon in large skillet until crisp. Remove bacon from skillet, reserving 1 tsp. drippings in skillet. Drain bacon on paper towels.
ADD onions to reserved drippings; cook and stir on medium heat 5 min. Stir in garlic; cook 1 min. Add tomatoes, tomato paste and crushed pepper; simmer 5 to 6 min. or until thickened, stirring occasionally.
DRAIN pasta; return to pan. Crumble bacon. Add to pasta with sauce; toss to coat. Spoon onto platter; top with cheese and basil.