TUNA DEVIL EGGS

1/2 doz. eggs, hard boiled
1 can tuna
Dash of salt
Dash of pepper
3 tbsp. salad dressing
2 tsp. mustard
Chopped onion to taste

Boil eggs with a little salt. Cut eggs in half and take out the yolks. Mash yolks with a fork, adding salt, pepper, salad dressing, tuna, mustard and chopped onion. Fill egg whites with the mixture.