Slow Cooker Beef Fajitas

Name: Slow Cooker Beef Fajitas
Prep time: 10 min
Cook time: 240 min
Ingredients: 1 lb sirloin steak (thinly sliced (purchase thinly sliced if available)); 1 bell pepper (red or yellow); 1 small yellow onion; 2 cups salsa (of choice); 2 tbsp taco seasoning