For the Chicken & Potatoes:

• 1.5 lbs baby potatoes, halved (if large)
• 4 tablespoons olive oil, divided
• Salt and black pepper, to taste
• 1.5 lbs boneless, skinless chicken breasts or thighs
• 2 tablespoons balsamic vinegar
• 1 tablespoon Dijon mustard
• 1 teaspoon dried oregano
• 1 teaspoon paprika
• 4 cloves garlic, minced
• 1 shallot, thinly sliced
• 1/2 teaspoon crushed red pepper flakes

For the Herby Olive Topping:

• 1/3 cup olive oil
• Juice of 1 lemon
• 1/4 cup fresh herbs (parsley, oregano, or basil), chopped
• 1/4 cup pepperoncini, sliced
• 1/2 cup green olives, halved
• 1 tablespoon toasted sesame seeds

For the Creamy Feta Tzatziki:

• 1/2 cup store-bought or homemade Tzatziki sauce
• 1/3 cup crumbled feta cheese