Squeeze lemons for juice (1/4 cup). Place in large sauté pan: onions, 1 cup broth, tomato paste, mustard, lemon juice, vinegar, Worcestershire, salt, and pepper; stir until combined. Bring to a boil ...
Mash together your potatoes and fish. Add in the seasonings then the egg and panko. Mix well. Form into small patties, approximately 2-3 inches. Cover and refrigerate for 30 minutes or all day.