Step 1

Cook pasta as directed on package, omitting salt.

Step 2

Meanwhile, heat dressing in large nonstick skillet on medium-high heat. Add onions and garlic; cook and stir 2 min. Add tomatoes; cook 5 min. or until heated through, stirring occasionally.

Step 3

Drain pasta. Add to tomato mixture; mix lightly. Sprinkle with cheese and basil.