The world's best cooking tomato! The food lover's tomato. Grilled Tesoros! Make it tonight! Hot house grown! TesoroTomatoes.com. Victory Garden: We only pick the best. In Italian, Tesoro means treasure. You hold in your hand a tomato that excels in the kitchen and is the best slicing, dicing, saucing and grilling tomato today. With old Italian roots, this tomato delivers great flavor, meaty slices, thick sauces and succulent grilled tomatoes. A true treasure indeed. Best when cooked! Produce of Mexico.