Chicken Grilled Burger (Hot, Medium, Lemon & Herb)

Core Ingredients (All Flavors)

Burger buns – 2 pcs (toasted), Grilled chicken breast fillet – 1 large (butterflied or flattened), Lettuce leaves – fresh and crispy, Tomato slices – 2–3 slices, Onion rings – optional, raw or caramelized, Mayonnaise or Garlic mayo – 1–2 tbsp, Cheese slice – optional (cheddar or American), Cooking oil or butter – for grilling