Guinness Beef Stew

Ingredients

• 2 tablespoons olive oil, or as needed
• 1 pound top round beef, cut into 1-inch cubes
• ½ cup all-purpose flour, or as needed
• 2 large cloves garlic, cut in quarters
• 1 large white onion, finely chopped
• 2 carrots, coarsely chopped
• 1 bay leaf
• 2 sprigs rosemary
• 1 cup beef broth
• 6 cups Guinness or other stout
• 2 red bliss potatoes, coarsely chopped
• 3 prunes, finely diced
• salt to taste, optional
• freshly ground black pepper to taste, optional
• ¼ cup crispy onions
• ¼ cup chopped parsley