Steps
1. Season the chicken breast with salt, pepper, and dried thyme.
2. Heat olive oil in a skillet over medium heat.
3. Add the chicken breast and cook for about 5-6 minutes on each side until golden brown and cooked through. Remove from skillet and set aside.
4. In the same skillet, add the onion and garlic and sauté for 1-2 minutes until fragrant.
5. Add mushrooms, zucchini, and yellow squash. Cook for about 5-7 minutes until vegetables are tender and lightly browned.
6. Return the chicken breast to the skillet to warm through for 1-2 minutes.
7. Adjust seasoning with salt and pepper as needed.
8. Serve on a plate, optionally garnish with fresh parsley.