Succulent Sour Cream Pot

• 2 onions
• 1 clove garlic
• 1 bay leaf
• 1 buttered noodles (hot)
• 1 paprika
• 2,300 gr bonless rolled chuck roast
• 240 ml dairy sour cream
• 180 ml water
• 120 ml tomato sauce
• 80 gr mushrooms (fresh)