1Beat cornmeal and cold water in 2-quart saucepan with wire whisk. Stir in boiling water and salt. Cook over medium-high heat, stirring constantly, until mixture thickens and boils; reduce heat. Cover and simmer 10 minutes, stirring occasionally. Stir in cheese until smooth; keep polenta warm.
2Heat oil in 10-inch nonstick skillet over medium-high heat. Cook zucchini, bell pepper, onion and garlic in oil about 5 minutes, stirring occasionally, until vegetables are crisp-tender. Stir in basil and artichoke hearts. Serve vegetable mixture over polenta.