Potatoes in Sour Cream, Meatballs

Ingredients

• 500 g Potatoes
• 1 pcs Bay leaves
• Salt
  to taste
• 150 ml Cooking cream
• Vinegar
  to taste
• All-purpose flour
  as needed
• 1 Kg Ground meat
• 2 Tbsp Tomato puree
• 2 Tbsp Whole grain mustard
• 2 Tbsp Ketchup
• Salt
  to taste
• Ground black pepper
  to taste
• Ground caraway
  to taste
• Oil
  as needed
• 50 g Breadcrumbs