INGREDIENTS
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canola or olive oil, for cooking
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2 onions, chopped
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3-4 garlic cloves, crushed
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2 celery stalks, chopped (use the leaves, too)
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2-3 carrots, peeled and chopped
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1 L beef or chicken stock
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3-4 beets, roasted and peeled
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1-2 Tbsp. red wine or balsamic vinegar, or to taste (optional)
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Salt and pepper to taste
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Sour cream, for serving