Now, let’s bring this dish to life with step-by-step guidance that ensures both success and satisfaction. Each step is designed to make your cooking experience as enjoyable and rewarding as the meal itself.

1. Start by heating the olive oil in a skillet over medium heat. Lightly sear each chicken breast for about 2-3 minutes on each side until golden brown. This step locks in the juices and adds flavor.
2. In your crockpot, whisk together the chicken broth, dry gravy mix, dry onion soup mix, cream of chicken soup, garlic powder, and black pepper until well combined.
3. Add the seared chicken breasts to the crockpot, ensuring they are submerged in the sauce. Add the optional mushrooms for an earthy touch.
4. Cover and cook on low heat for 6-7 hours, or on high for 3-4 hours. The chicken should be fork-tender and the gravy thick and flavorful.
5. Before serving, taste and adjust salt levels as needed. You might find it perfect as it is, thanks to the seasonings in the soup and gravy mixes.

Remember, the longer you let the flavors meld together, the richer the taste becomes. This is a lesson I learned from my abuela — patience is a key ingredient in any dish.