Experts Urge Shredded Cheese Buyers to Check 4-Ingredient Labels for Better Melt

Q: What hidden additives in your convenient bagged cheese are secretly ruining its texture and ability to melt?

The main culprits are anti-caking additives—especially cellulose, potato starch, corn starch, and sometimes tapioca starch—plus natamycin, a mold inhibitor. Experts say these ingredients are added to keep shredded cheese from sticking together and to extend shelf life. But that same coating can make the shreds feel drier or dustier and can interfere with how evenly the cheese melts. Food scientist Abbey Thiel said bagged shredded cheese is usually the same base cheese as block cheese, but those added starches and cellulose can leave it slightly chalky and less smooth under heat. Cheese expert Hannah Howard said the warning signs are often visible: shreds that look dry, broken, dusty, or heavily coated, along with excess powder collecting in the bag. Products with vague “cheese blend” labels can also be less transparent about what you are getting. For better results, experts recommend choosing shredded cheese with a short, simple ingredient list and as little anti-caking agent as possible. If melt and texture really matter—such as for pizza, mac and cheese, fondue, lasagna, grilled cheese, or sauces—freshly grating cheese from a block remains the best option. Pre-shredded cheese can still work well for quick meals like nachos, eggs, tacos, and casseroles, but higher-quality bags with softer, less powdery shreds generally perform better.

2 articles · Updated · AOL · Aug 11

Shredded cheese shoppers should favor bags with short ingredient lists, experts say, because added anti-caking agents and preservatives can dull flavor and prevent smooth melting.
Cellulose, potato starch, corn starch and Natamycin are commonly added to keep shreds separate and extend shelf life, but heavier coatings can leave cheese dusty and less silky in hot dishes.
Hannah Howard recommends scanning for clearly named cheeses, avoiding vague “cheese blend” labels, and choosing shreds that look supple and distinct rather than dry, broken or powdery.
Block and bagged cheddar are usually similar at the base, making the extra ingredients—not the cheese itself—the main reason pre-shredded products often perform worse in pizzas, casseroles and nachos.