Tuna Surprise - cooking recipe

Ingredients

2 cans chunk tuna
1 large onion
1 c. catsup
2/3 c. water
2 Tbsp. sugar
2 Tbsp. vinegar
1 tsp. prepared mustard
1/2 tsp. salt
pepper to taste
6 hamburger rolls

Preparation

Drain oil from tuna into large pan.
Chop onion.
Cook onion in tuna oil until tender.
Add rest of ingredients, except tuna and rolls.
Cook slowly for about 20 minutes, stirring to keep from sticking.
Break tuna in large pieces into the sauce.
Cook 10 minutes longer, stirring as needed to prevent sticking.
Serve on hamburger rolls.