Heat tortillas in a tortilla warmer or covered casserole dish in a 400° oven until warm, 5 to 7 minutes. While the tortillas are warming, heat the chili in a small saucepan. Remove tortilla, spoon a even amount of chili into each tortilla and top with tomato and lettuce.
Hard taco shells can be substituted for soft shell tortillas.
Per serving - 164 calories, 2 g fat (8% calories from fat), 8 g protein, 31 g carbohydrate, 6 g fiber, 0 mg cholesterol, 233 mg sodium