3 tomato and walnut pesto rotini Recipes

loosely packed basil leaves, chopped walnuts, toasted, grated fresh parmigiano-reggiano cheese, grated fresh pecorino romano cheese, fresh lemon juice, minced garlic, salt, divided, freshly ground black pepper, divided, extra-virgin olive oil, uncooked rotini (corkscrew-shaped pasta), uncooked multigrain rotini (corkscrew-shaped pasta), tomatoes, quartered

dried wagon wheel macaroni or 6 oz rotini pasta (about 2 cups), boneless skinless chicken breast halves, cut into 1 inch pieces, refrigerated pesto sauce, fat free sour cream, chopped fresh vegetables (such as red, yellow or green sweet pepper, broccoli florets, zucchini or cucumber), tomato, chopped, toasted pine nuts or 1/4 cup chopped walnuts, toasted (optional)