Place chicken breasts between plastic wrap and pound each to an even thickness for even cooking.
Place chicken, za’atar blend, salt, lemon juice, olive oil, and garlic in a resealable gallon plastic storage bag; seal the bag; toss to coat; refrigerate for 2 to 24 hours.
Preheat oven to 400°F; line a baking pan with aluminum foil or coat with cooking spray.
Place chicken breasts in the prepared pan and sprinkle with za’atar blend.
Nutrition Facts: Servings: 4; Amount per serving: Calories 583; Total fat 38.2g 58.8%; Saturated fat 11.9g 59.5%; Cholesterol 183mg 61.0%; Sodium 341mg 14.2%; Carbohydrates 11g 3.7%; Fiber 2g 14.3%; Sugars 3.3g 6.6%; Protein 48.3g 96.6%; Based on DV of 2000 calories per day