Sheet Pan Lemon Balsamic Chicken

Ingredients

• 1 pound baby potatoes, halved if necessary
• 4 tbsp plus 1/3 cup extra virgin olive oil
• salt
• black pepper
• 6 boneless skinless chicken breasts or thighs
• 2 tbsp balsamic vinegar
• 2 tbsp Dijon mustard
• 1 tbsp fresh chopped oregano
• 2 tsp smoked or regular paprika
• 6 garlic cloves, chopped
• 1 shallot, chopped
• 1/4 tsp chili flakes, or more to taste
• 2 tbsp lemon juice
• 1 cup mixed chopped fresh herbs: dill, basil, or thyme
• 2 tbsp sliced pepperoncini
• 1 cup green olives, torn (I like Castelvetrano olives)
• 2 tbsp sesame seeds