slow cooker fajitas

Ingredients

• 1 - each green, red and yellow pepper, cut into strips
• 1 large onion, cut into strips
• 2 pounds boneless beef sirloin, cut into strips
• 3/4 cup water
• 2 tablespoons red wine vinegar
• 1 tablespoon lime juice
• 1 teaspoon ground cumin
• 1 teaspoon chili powder
• 1/2 teaspoon salt
• 1/2 teaspoon garlic powder
• 1/2 teaspoon pepper
• 1/2 teaspoon cayenne pepper
• 8 - 8" flour tortillas, warmed
• 1/2 cup salsa
• 1/2 cup cheddar, shredded
• 1 1/8 teaspoons fresh cilantro, minced