Simply combine: 3 tbs olive oil, 1 c. white onion, 1/2 cup red onion, and let caramelize. Then add 3 cloves garlic, finely chopped, 1 c. carrots, 1 cup celery and 1 cup diced fennel go in the pot. Stir then add in 1 cup diced red potatoes. While potatoes cook, add 1 c. diced zucchini and chopped leafy greens. Add 4 c. vegetable stock, and 1 cup of marinara sauce. To that you add 1/2 oz. chunk of Parmesan cheese and let cook for 15 mins. Finally add 1 c. cooked pasta and 1 c. cannellini beans. Serve!