Peel the onion and garlic, chop finely. Wash, peel and dice the carrots. Rinse the zucchini, clean and cut into slices. Wash, clean, core and dice the peppers. Cook the noodles in plenty of salted water until they are firm to the bite. Braise the onion and garlic in the oil. Add vegetables and lightly salt. Steam for 7 minutes. Add the broth, processed cheese and heat. Season to taste with salt and pepper. Drain the penne. Rinse the basil, shake dry, pluck off the leaves, divide into strips, stir into the sauce. Fold in the pasta. Garnish with basil if necessary.