Slow-Cooker Steak Fajitas

Ingredients

• 1 beef flank steak (1-1/2 pounds)
• 1 can (14-1/2 ounces) diced tomatoes with garlic and onion, undrained
• 1 jalapeno pepper, seeded and chopped
• 2 garlic cloves, minced
• 1 teaspoon ground coriander
• 1 teaspoon ground cumin
• 1 teaspoon chili powder
• 1/2 teaspoon salt
• 1 medium onion, sliced
• 1 medium green pepper, julienned
• 1 medium sweet red pepper, julienned
• 1 tablespoon minced fresh cilantro
• 12 flour tortillas (6 inches), warmed
• Optional: Sour cream, salsa, fresh cilantro leaves and lime wedges