Discard stems from spinach; tear into bite-sized pieces. Refrigerate, covered. Toast sesame seeds in a preheated 350 F oven, shaking once or twice until golden (10-12 minutes); cool. In tightly covered container, combine oil, vinegar, sugar, onion, salt, pepper and Tabasco; shake well.

To Serve: In salad bowl, toss dressing into spinach and sesame seeds. Gently toss in strawberries