Sweet and Sour Cabbage Soup – Lightningbug.farm

Ingredients

• 3 tablespoons olive oil
• 1 large onion, chopped
• 2 garlic clove, minced
• 1 teaspoon crushed red pepper flakes
• 1 lb ground beef
• 6 cups finely sliced cabbage
• 1 cup chopped and drained tomatoes from a can
• 1-2 cups chicken stock
• 2 tablespoons brown sugar
• 2-4 tablespoons apple cider vinegar
• Salt and freshly ground black pepper