Italy's Liguria region is widely known for fresh basil pesto. It's no wonder this wonderfully aromatic no-cook sauce is one of the most popular dishes in Genoa. After tasting this hearty meatless main dish, pesto will be a favorite with your family, too.
1. Cook potatoes in a large pot of boiling water 5 minutes or just until tender. Remove potatoes with a slotted spoon; place in a large bowl. Add green beans to boiling water, and cook 3 minutes or until crisp-tender. Remove green beans with a slotted spoon; place in bowl with potatoes. Add pasta to boiling water, and cook 9 minutes or until pasta is done.
2. While vegetables and pasta cook, combine 2 tablespoons Parmesan cheese and next 3 ingredients in a food processor or blender. With processor on, slowly pour oil through food chute; process until well blended.
3. Drain pasta, reserving 1/3 cup cooking liquid. Add pasta to bowl with potatoes and green beans. Sprinkle with salt and pepper. Add reserved 1/3 cup cooking liquid to food processor; process until well blended. Add pesto to pasta mixture; toss gently to coat. Spoon pasta into individual bowls, and sprinkle with remaining 2 tablespoons cheese.