Preheat oven to 400°F.
Bring a large pot of salted water to a boil and cook the pasta according to package instructions.
1 lb. rigatoni
Once al dente, remove from the water and drain, reserving ¼ cup of water.
Place pasta in a large bowl while still hot and add the water (enough to make it a bit saucy, but not too much), the pesto, and crushed tomatoes. Stir to combine.
6.35 oz. pesto, 1 cup crushed tomatoes, ¼ cup reserved pasta water
Spray a 9x13" baking dish with nonstick spray.
Layer half the pasta in the baking dish. Sprinkle with half the cheese. Repeat.
2 cups shredded mozzarella cheese
Bake for 20 minutes or until melty and bubbly.
Serve garnished with chopped basil.
fresh basil