Try this Hot Borscht recipe, or contribute your own.
Beets derive their deep crimson color from betalain pigments, which degrade rapidly when exposed to prolonged high heat and oxygen. Maintaining a gentle, covered simmer rather than a rolling boil protects these water-soluble compounds from thermal destruction. Vegetable stock acts as the extraction medium, dissolving sugars and earth-derived geosmin compounds from the roots.
Pectin holds the cell walls of root vegetables intact. Acidic ingredients like tomato pulp must go into the pot only after the beets, carrots, onions, celery, and parsnip have softened for 20 minutes. Introducing acid too early locks the pectin molecules, keeping the vegetables unpleasantly crunchy regardless of how long the pot cooks. Shredding the beets coarsely instead of grating them to a fine puree prevents the soup from turning murky while maximizing surface area for flavor extraction. A standard heavy-bottomed Dutch oven distributes heat evenly, though a standard stainless steel stockpot works if stirred frequently to prevent scorching at the base.