Christina's Pasta with Zucchini and Bacon

1 lb penne pasta
4 oz bacon, cut into 1/2 inch pieces
2 pounds (2 large) zucchinis, slices
1/2 C reserved pasta water
3/4 Parmigiano-Reggiano cheese
salt and pepper

Cook pasta in salted water until al dente. Drain pasta, reserving 1/2 C water. Return to pot and set aside.

In large saute pan, add bacon and cook until fat is rendered and bacon crispy. Add zucchini and cook until it begins to soften. Place cooked pasta over low heat. Add bacon, zucchini and cheese. Toss to combine. Season with salt and pepper and serve.