left over cooked potatoes
leftover sliced onions
garlic crushed
eggs
green peppers diced
leftover mushrooms
leftover cooked meat, sausage, salami or bologna
leftover whatever
salt, pepper, paprika
I believe the origin of slumgullion an American term referred to a leftover mixture (hash or stew or salad etc.) made by mining cooks out west exploring for gold
Into a large skillet heat some oil and brown onions, garlic, add potatoes, green peppers, mushrooms and left over cooked meat etc.. Cook and stir until things are softened and tender. lastly fork beat enough eggs and cook and swirl into mixture.
Serve with plenty of catsup and hot coffee