Cost per Serving:
1. Bring a large pot of salted water to a boil. Add pasta and cook until al dente, about 11 minutes or as package label directs.
2. Put tuna and oil from can into a small heatproof bowl and gently flake with a fork. Add beans, capers and lemon juice. Stir to combine, taking care not to crush beans. Ladle in 1/2 cup of boiling water from pot with pasta.
3. Drain pasta and return to pot. Add tuna mixture and olive oil; toss gently. Sprinkle with grated Parmesan, top with basil and serve warm.