Ingredient:

• 2 large tomatoes, seeded and chopped
• 1/2 cup diced red onion
• 1/4 cup lime juice
• 1 jalapeno pepper, seeded and minced
• 3 tablespoons minced fresh cilantro
• 2 teaspoons ground cumin, divided
• 3/4 teaspoon salt, divided
• 1 beef flank steak (about 1-1/2 pounds)
• 1 tablespoon canola oil
• 1 large onion, halved and sliced
• 6 whole wheat tortillas (8 inches), warmed
• Optional: Sliced avocado and lime wedges