Kosher salt and freshly ground black pepper
8 slices thick-cut bacon, finely chopped
1/3 cup mayonnaise
3 tablespoons sour cream
2 tablespoons finely chopped fresh chives
1 1/2 tablespoons fresh lemon juice
1 cup frozen baby lima beans, thawed
1 cup frozen corn kernels, thawed
8 ounces dried fusilli
1 cup halved grape tomatoes
1/2 cup thinly sliced scallions