This Recipe is meant for Boy Scouts, Webelos scouts.

large pot

2 oz diced cooked bacon 
1 sliced onion 
1 13oz can evaporated milk 
3 diced potatoes 
6 fish fillets, cut in 1 inch pieces 
1 tsp salt 
1/4 tsp pepper 
1 Tbsp butter 

Feeds 6. 
Only one pot to clean.

Put bacon pieces in pot and stir them while they start to sizzle.
Brown onions and potatoes in bacon grease.
Add one quart of water and simmer 10 minutes.
Add fish and simmer 5 minutes.
Add milk, salt, and pepper and simmer 5 minutes, stirring constantly so the milk does not burn on the bottom.
Top with butter at last minute.