Wash spinach, discard stems; dry and tear into bite size pieces. Wrap in toweling and refrigerate. Toast sesame seeds on pie pan, in 350 degree oven about 10 minutes until golden; cool.Combine oil, vinegar, sugar, onion, salt, pepper and tabasco in covered containeer until sugar dissolves; refrigerate. To serve in salad bowl, toss dressing into sprinach, pecans, and sesame seeds. Gently toss in strawberries.