Substances:
- 3 tablespoons Olive oil
- 1 extensive Onion ; minced
- 1 tablespoon Sun-dried tomato paste
- 3 cups peeled and reduce Plum tomatoes
- 1 1/2 cups chopped Zucchini
- 1 1/2 cups chopped Yellow squash
- 2 cups Potatoes ; diced
- 4 cloves Garlic ; curushed
- 5 cups Vegetable stock
- 1/4 cup Basil ; chopped
- 2/3 cup grated Parmesan cheese
- Salt ; to model
- Pepper ; to model
