Water tally: 3.9 ounces.
1. Remove beans from pods; discard pods. Cook beans in boiling water 1 minute. Drain and rinse with cold water; drain. Remove outer skins from beans; discard skins.
2. Combine basil and next 5 ingredients (through garlic) in a food processor; process until smooth. With processor on, slowly pour oil through food chute, and process until well blended.
3. Cook pasta according to package directions, omitting salt and fat; drain. Combine pasta and basil mixture in a large bowl, tossing to coat. Add beans and tomatoes, tossing to combine. Sprinkle with Parmesan cheese.