Follow these simple steps to create your Irresistible Slow Cooker Chicken:

1. Prepare the Slow Cooker: Lightly grease the inside of your slow cooker with cooking spray or olive oil.
2. Layer the Ingredients: Place the chicken breasts at the bottom of the slow cooker.
3. Add the Liquid: Pour the chicken broth and diced tomatoes over the chicken.
4. Add the Aromatics: Sprinkle the chopped onions, minced garlic, Italian seasoning, salt, and black pepper on top.
5. Add Vegetables: Layer the sliced bell peppers and mushrooms over the seasoned chicken.
6. Mix (Optional): If desired, drizzle olive oil over the top for added richness.
7. Cook: Cover and cook on low for 6-8 hours or on high for 4-5 hours, until the chicken is tender and fully cooked.
8. Shred the Chicken: Once cooked, use two forks to shred the chicken directly in the slow cooker, mixing it with the sauce and vegetables.
9. Serve Warm: Stir everything together, ensuring the chicken is well coated in the flavorful sauce.

These steps will help you create a delicious meal that your family will love.