Creating Creamy Mushroom Chicken is simple if you follow these steps:

1. Prepare the Chicken: Season both sides of the chicken breasts with salt and pepper.
2. Heat Oil: In a large skillet, heat olive oil over medium-high heat.
3. Cook Chicken: Add chicken breasts to the skillet and cook for 6-7 minutes on each side until golden brown and cooked through. Remove from the skillet and set aside.
4. Sauté Onions and Garlic: In the same skillet, add diced onions and minced garlic. Sauté for 2-3 minutes until they become translucent.
5. Add Mushrooms: Stir in the sliced mushrooms and cook for another 4-5 minutes until they are browned and tender.
6. Create the Sauce: Pour in the chicken broth and heavy cream. Add dried thyme, salt, and pepper. Stir well and bring to a simmer.
7. Combine Chicken and Sauce: Return the cooked chicken breasts to the skillet. Allow to simmer for an additional 5 minutes, coating the chicken in the creamy sauce.
8. Garnish: Sprinkle fresh parsley on top before serving.

These straightforward steps will guide you in creating this incredible dish effortlessly.