Not Your Mama's Tuna Salad

INGREDIENTS:
1 tub (1 cup) store-bought pesto sauce, such as Buitoni brand
Juice of 1 lemon
Two 6-ounce cans water-packed tuna, drained
4 scallions, cut into thin strips with kitchen scissors or chopped
1 jarred whole roasted red pepper, cut into small pieces with kitchen scissors or chopped
Handful of grape tomatoes, halved
1/2 pound medium shell pasta—cooked al dente, rinsed under cold water and drained well Salt and freshly ground pepper

DIRECTIONS:
Place the pesto in a large bowl and stir in the lemon juice. Add the tuna and flake it with a fork. Add the scallions, roasted red pepper, tomatoes and pasta, and toss the salad to coat evenly. Season to taste with salt and pepper