COMBINE water with cream, spaghettini, zucchini, broccoli, green beans, garlic, butter and salt in a very large frying pan. Boil over medium-high, stirring often, until pasta has absorbed most of the liquid, 6 to 8 min. Stir in tomatoes, peas, cheese and lemon zest. Cook for 1 min. Sprinkle with basil. Serve immediately with a squeeze of lemon overtop.