Bake the beets in foil (about 70 minutes at 390°F), cool, gently peel, and cut into cubes. Cut the herring into similar-sized pieces (if they are salted, you may need to soak them in cold water ...
Dice the cooked and peeled vegetables. Add diced herring fillets, eggs, cucumbers, apple, and onion. Drain the peas and transfer them to the bowl with the other ingredients. Mix the salad with 3 ...