Seared Mediterranean Chicken Salad with Homemade Vinaigrette

Ingredients

• ¼ cup plus 3 tablespoons olive oil (divided)
• 1 garlic clove (minced)
• 1 tablespoon plus two teaspoons red wine vinegar (divided)
• 1 tablespoon plus 1 teaspoons oregano (divided)
• 1 teaspoon dried dill
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 1 pound boneless skinless chicken breast
• ½ small shallot (minced)
• 2 teaspoons Dijon mustard
• 1 lemon (zested and juiced)
• 3-4 cups Romaine lettuce (chopped)
• ½ cup crumbled feta cheese
• 3-4 Persian cucumbers (diced)
• 2 ripe plum tomatoes (seeded and diced)
• ½ red onion (thinly sliced)
• ¼ cup pitted kalamata olives (sliced)
• 2 tablespoons chopped fresh dill