Gather all ingredients and prepare them as described.

In a large skillet, heat 2 tablespoons of olive oil over medium-high heat. Add chicken and sear until golden brown, about 5-7 minutes.

Add red onion and garlic, sauté for about 2 minutes until onion softens.

Stir in zucchini and red bell peppers, cook for an additional 4-5 minutes until tender yet crisp.

Add cherry tomatoes, Kalamata olives, and sun-dried tomatoes, cook for about 3 minutes.

Sprinkle oregano, basil, and thyme, drizzle lemon juice, and toss for 2 minutes.

Remove from heat, serve topped with feta cheese and parsley.