Sauté the onion and parsley in the fat.
Add the diced bread and sauté until golden brown
Set aside to cool
Combine the flour, eggs, milk and salt and beat until bubbly (around 5 minutes)
Mix in the bread mixture when cool
Let stand 30 minutes
When ready to make dumplings boil 10 cups of lightly salted water in a large pot.
With wet hands, shape the mixture into 2 to 3 inch little loaves.
Drop gently in the boiling water
Cook 15 minutes or so until the dumplings float.
Reduce heat and simmer 5 more minutes
Drain, slice with thread or dental floss and serve with gravy.