Greek Chicken Burgers

Ingredients

• 450g ground chicken
• 60g diced red onion
• 3 garlic cloves, minced
• 60g sun-dried tomatoes, finely chopped
• 30g baby spinach, roughly chopped
• 1 tablespoon fresh dill, chopped
• 2 teaspoons dried oregano
• 1 teaspoon kosher salt
• ½ teaspoon ground black pepper
• 2 tablespoons extra virgin olive oil
• Butter lettuce leaves
• Tzatziki sauce
• Crumbled feta cheese
• Sliced red onion
• Sliced tomato
• Sliced avocado