1. Cook pasta according to package directions, omitting salt and fat. Add peas to pasta during the last 2 minutes of cooking time. Drain pasta mixture in a colander over a bowl, reserving 1/4 cup pasta liquid.
2. Heat oil and butter in pan over medium heat 1 minute or until butter melts. Remove from heat; stir in pasta mixture, reserved pasta water, juice, salt, and pepper; toss well.
3. Divide pasta mixture evenly among 4 bowls; top each serving with 1 tablespoon basil and about 2 tablespoons cheese. Serve immediately.