3 pounds zucchini (about 5 to 6 good sized zucchini, enough for 8 to 10 cups of salted zucchini noodles)
3 teaspoons kosher salt
1 Tbsp olive oil
8 ounces Italian sausage (in bulk, out of casings)
1 1/2 cups diced onion
1 15-ounce can crushed tomatoes
3 cloves garlic, minced (about 1 Tbsp)
1/2 cup thinly sliced fresh basil leaves
1 1/2 teaspoons kosher salt
2 cups grated mozzarella cheese (about 8 ounces)
3/4 cup ricotta cheese
1/2 cup grated Parmesan cheese

Special equipment needed:
A spiralizer for making zucchini noodles