How to Make It
Cook pasta in salted water according to package directions; drain, reserving 1 cup cooking water.
Meanwhile, cook bacon in a large nonstick skillet over medium-high, until crispy, 8 minutes. Drain on paper towels, reserving 2 tablespoons drippings in pan.
Add garlic to pan; cook over medium, stirring constantly, 1 minute. Stir in beans, salt, and pepper. Cook until tender-crisp, 4 minutes. Stir in butter, pasta, and 1/2 cup of the reserved cooking water. Add lemon juice, 3/4 cup of the cheese, and remaining 1/2 cup cooking water. Cook, stirring constantly, 1 minute. Stir in bacon. Sprinkle with chives, parsley, and remaining 1/4 cup cheese.