3 farfalle zucchini and bell peppers pesto Recipes

uncooked farfalle pasta (bow tie pasta, about 4 cups), commercial pesto sauce, shredded zucchini, diced red bell pepper, sliced red onion, fresh lemon juice, salt, crushed red pepper flakes, fresh ground black pepper, grated parmigiano-reggiano cheese, divided

zucchini , cut lengthwise into 1/2-inch-wide pieces, yellow squash, cut into 1/2-inch-wide pieces, red bell pepper, seeded , cut into 1-inch-thick slices, red onion , cut into 3/4-inch-thick slices, olive oil, salt and pepper, whole-grain farfalle or penne, cannellini beans, drained and rinsed, refrigerated pesto (about 3/4 cup), grated pecorino romano, fresh lemon juice