Italian Roast Beef Wraps

2 large flour tortillas6-8 slices roast beef2 slices Provolone cheese, cut in half1 cup shredded lettuce1 medium tomato, chopped1/4 medium red or yellow onion, thinly sliced2-3 tablespoons Italian salad dressingPlace tortillas on microwave-safe plates. Divide roast beef evenly and lay over each tortilla. Lay cheese halves from top to bottom in the center of each tortilla. Microwave each tortilla 45-55 seconds, or until cheese melts.Divide lettuce, tomato, and onion evenly over melted cheese. Drizzle dressing over top. Fold in the ends of each tortilla, then roll in the sides to form a burrito-style wrap.Serves one to two.Nutrition values per serving: calories, g fat ( g saturated), g carbohydrates, g fiber, g protein, mg cholesterol, mg sodium."101 Things to do with a Tortilla" by Stephanie Aschraft and