A little sweet, a little sour equals a great-tasting tuna treat. If you enjoy this dish in your favorite restaurants, you'll love this home-cooked version even more.
For 2 people
For the sauce, in a saucepan bring vinegar, juice and sugar to a boil. Add cornstarch slurry. Simmer, stirring constantly, until thick. Sauté peppers and onion in canola oil; add to sauce with diced pineapple. Season tuna steaks and grill until desired temperature. Serve tuna topped with sauce.