Beef and Blue Cheese Penne with Pesto

Directions

1. Cook pasta according to package directions.
2. Meanwhile, sprinkle steaks with salt and pepper. Grill steaks, covered, over medium heat or broil 4 in. from heat 5-7 minutes on each side or until meat reaches desired doneness (for medium-rare, a thermometer should read 135°; medium, 140°; medium-well, 145°).
3. Drain pasta; transfer to a large bowl. Add spinach, tomatoes, pesto and walnuts; toss to coat. Cut steak into thin slices. Serve pasta mixture with beef; sprinkle with cheese.