Sweet-Sour Green Bean Soup

Details

Ingredients

• 3 potatoes, cut into cubes, or more to taste
• 2 cups 1-inch cut green beans
• water to cover
• salt and ground black pepper to taste
• 5 slices bacon, chopped
• 2 tablespoons all-purpose flour
• ¼ cup apple cider vinegar, or to taste
• 2 tablespoons white sugar, or to taste