Pollo A La Crema

2-3 chicken breasts
1-8 ounce package cream cheese
1 cup salsa
1 onion
1 green pepper
mushrooms (optional)
Tortillas, salt, and pepper

Cube chicken and place in crockpot. Cook until juices run clear. Add softened cream cheese and salsa. Stir until mixed. Add vegetables 20 minutes before serving. Serve in warm tortillas.