Instructions: Preheat oven to 400F. Coat a baking sheet with olive-oil spray. Place four tortillas on baking sheet and sprinkle with 1/2 teaspoon cumin. Bake 8 minutes, until golden. Remove from oven; transfer to individual plates. Set aside.

Meanwhile, in a large skillet, combine remaining cumin, soy sauce and liquid smoke. Set pan over medium-high heat and bring mixture to a simmer. Add vegetable mix and cook 3 minutes, until tender. Using tongs or a slotted spoon, remove vegetables from pan; set aside. To the same pan, add roast beef and simmer 2 minutes, until hot.

Top toasted tortillas with lettuce, then pepper stir-fry mixture and roast beef. Arrange avocado on top. Serve with additional tortillas on the side.

(Additional garnish options: fat-free sour cream, salsa, jalapenos, hot sauce.)

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