Wash the beets, potatoes, and carrots thoroughly. Place them in a large pot of water and cook until fork-tender. The potatoes and carrots may finish cooking before the beets, so remove them as needed.
Allow the vegetables to cool completely before handling. Cooling prevents the vegetables from becoming mushy during mixing. This step also helps maintain the salad's crisp texture.
Once cooled, peel the skins from the beets, potatoes, and carrots. Use a sharp knife to cut each vegetable into small, even cubes.
Uniform pieces help every bite contain a balanced mix of flavors. Consistent sizing also gives the salad its traditional appearance and texture.
Dice the dill pickles into small pieces. Finely chop the red onion and parsley so they distribute evenly throughout the salad.
The pickles provide the signature tangy flavor. The onion adds freshness while the parsley brightens the overall taste and presentation.
Place the diced vegetables, pickles, peas, onion, and parsley into a large mixing bowl. Gently toss the ingredients together until evenly distributed.
Be careful not to overmix. Gentle stirring keeps the vegetables intact and prevents the salad from becoming overly soft.
Drizzle sunflower oil over the salad and season with salt and black pepper. Add a little pickle brine if you prefer a stronger tangy flavor.
Mix gently until all ingredients are lightly coated. The dressing should enhance the vegetables without overpowering them.
Cover the bowl and refrigerate for at least one hour. Chilling allows the flavors to blend together beautifully.
The salad tastes even better after several hours in the refrigerator. Many people prefer preparing it a day ahead for maximum flavor.