Hearty Beef and Beetroot Stew

Ingredients

• 500 g beef
• 1 ½ L water
• 2 tsp salt
• 1 onion
• 20 g butter
• 2 medium beets
• 2 tbsp red vinegar
• sugar
• 2 medium carrots
• 2 medium potatoes
• 2 celery ribs
• 200 g cabbage
• 1 tbsp olive oil
• 2 cloves garlic
• 4 tbsp tomato paste
• 1 bay leaf
• ¼ cup chopped parsley
• 125 mL sour cream
• pepper