Herbes de Provence Skillet Chicken {Freezer Meal!}

Ingredients (19)

• For the marinade:
• 1 1/2 pounds boneless skinless chicken tenders, tenderloin, or thinly sliced chicken breasts
• 1 1/2 tablespoons herbes de Provence
• 1 1/4 teaspoons Kosher salt
• 1 teaspoon freshly ground pepper
• Zest of one lemon
• 1 1/2 tablespoons lemon juice
• 3 cloves minced garlic
• 2 tablespoons olive oil
• For the vegetables:
• 2 teaspoons olive oil
• 3 tablespoons butter, divided
• 1 1/2 pounds B-sized or baby potatoes
• 1/2 yellow onion
• 1/2 teaspoon Kosher salt
• A few cracks of freshly ground pepper
• 2 handfuls (2 packed cups) Swiss chard or spinach
• 1/3 cup halved pimento-stuffed Spanish olives
• 1 teaspoon red wine vinegar