Add the egg and gently fry for three to five minutes until the white is set but the yolk is still runny.
Place the turkey on a plate, top with the cheese, and then pop under a grill for one to two minutes or until the turkey is hot and the cheese is melted.
Put the tomato on the bottom half of the English muffin and season with salt and pepper.
Top with the turkey and egg. Slather the guacamole on the top half of the muffin and then crown the sandwich.
Note: smoked meat products can be high in sodium so look for turkey with fewer than 500 milligrams of sodium per serving.