Heat oil in pot.
Saute onions, parsley and half the beef.
Remove from heat.
Combine remainder of beef with berries, yeast, flour, salt and wheat germ.
Shape this mixture into flat patties.
In the center of each, place 1 table-spoonful of the sauteed mixture.
Press edges of patty together to enclose stuffing.
Arrange patties and tomato slices in pot.
Cover with stock and cover pot.
Simmer for 30 minutes.