3 russian thin style Recipes

lean boneless sirloin (trimmed of fat and gristle) or 2 lbs bottom round steaks, in 1 piece (trimmed of fat and gristle), salt, fresh ground pepper, butter, onion, thinly sliced, flour, mustard powder (or 1 tbsp prepared dijon style mustard), dry white wine, tomato paste (optional), minced onion, mushroom, thinly sliced, dry white wine, sour cream, warmed

eggs, sugar, milk, divided, flour, salt, baking powder, vanilla, butter, plus extra for greasing pan