Just add tuna's can instead of minced beef that one i usually use.

Ingredients:
225 gr macaroni
1 can of tuna
4 eggs
400 ml milk
125 gr cheddar cheese
25-50 gr extra cheddar cheese, for topping

pepper, nutmeg powder, for taste

Directions:
Preheat oven to 350 degrees F (190 degrees C). Lightly grease a baking dish.
Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.
Combine eggs, milk, pepper, nutmeg.
Add tuna, cheese and pasta stir until all combined.
Pour into the prepared dish.
Add the remaining cheedar cheese over macaroni.
Bake in preheated oven until bubbly and brown, about 30-45 minutes.
Remove from the oven and allow to stand about 10 minutes before serving.
Serve with chili sauce