Real Hungarian Goulash - Cook's Illustrated – Recipe Wise

Ingredients

• 1 boneless beef chuck roast , trimmed of excess fat and cut into 1 1/2-inch cubes
• table salt
• 1/3 cup sweet paprika
• 12 ounces roasted red peppers , drained and rinsed ( about 1 cup )
• 2 tablespoons tomato paste
• 3 teaspoons white vinegar , divided
• 2 tablespoons vegetable oil
• 4 large onions , diced small
• 4 large carrots , peeled and cut into 1-inch thick rounds
• 1 bay leaf
• 1 cup beef broth , warmed
• 1 lb small potato , peeled
• 1/2 cup beef broth
• 1 cup water
• 1/4 cup sour cream ( optional )
• ground black pepper