Is all coleslaw gluten-free? A definitive guide for safe eating
                                
                                
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                                    4 min read                                
                            
                                Malt vinegar, a key ingredient in some coleslaw dressings, is not gluten-free because it is made from barley, a gluten-containing grain. This fact makes it dangerous to assume that all versions of this popular side dish are safe for those on a gluten-free diet.