In a medium-size non-stick saucepan, heat oil and saute onion until tender. Add rice and cook, until, stirring, 2 or 3 minutes. Add stock and salt. Bring to a boil, cover and simmer 20 minutes. Remove from heat. Turn rice into a warm dish and season with pepper. Garnish with cheese. NOTE: This is a basic risotto rice . Many ingredients may be added, such as green onion, peas, sliced mushrooms, clams, shrimp, lean hamburger or chicken. Food Exchanges per serving: 2 STRACH/BREAD EXCHANGES + (if meat, fish or a vegetable is added, be sure to include these exchanges). CAL: 136; CHO: 1mg; CAR: 26g; PRO: 3g; SOD: 107mg; FAT: 2g;