Homemade Hungarian Goulash Soup

Name: Homemade Hungarian Goulash Soup
Ingredients: 6 slices bacon, chopped; salt and pepper; 2 pounds stewing pork cubes (approximately 1 kilogram); 2 medium onions, diced; 3 medium carrots, chopped into 1/2 inch pieces; 4 cloves garlic, minced; 3 tablespoons Hungarian smoked paprika; 1 regular bottle your favourite beer (I used Stella Artois); 3 tablespoons all purpose flour; 4 cups room temperature chicken or beef stock; 1 cup plain tomato sauce; 1/2 cup pickled roasted red peppers, chopped (or plain roasted red peppers from a jar, plus 1 tablespoon white wine vinegar); 4-5 medium potatoes, skin on, cut into chunks; sour cream and fresh parsley for garnish