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Block vs Shredded Cheese — Which Is Better?

📅 Updated February 2026⏱️ 4 min readNEW

TL;DR

Buy block cheese and shred it yourself. Pre-shredded cheese is coated in anti-caking agents like powdered cellulose and sprayed with fungal inhibitors like natamycin. You're paying up to 30% more per ounce for additives that ruin the melt and texture of your food.

🔑 Key Findings

1

Shredded cheese can cost up to 30% more per ounce than block cheese.

2

Some pre-grated parmesan products have tested as high as 7.8% cellulose (wood pulp).

3

Anti-caking agents like potato starch interfere with how cheese melts, making sauces grainy.

4

Whole Foods has banned natamycin, the standard mold inhibitor sprayed on most shredded cheese.

The Short Answer

Block cheese is always the better choice over pre-shredded cheese. You get a cleaner product, a better melt, and more actual cheese for your money.

Pre-shredded bags are loaded with anti-caking agents and mold inhibitors to keep the shreds from clumping and molding on the shelf. These additives change the texture, ruin the melt, and cost you up to 30% more per ounce for the illusion of convenience.

Why This Matters

Shredding cheese increases its surface area, which exposes it to air and moisture. Without preservatives, a bag of shredded cheese would clump into a solid brick and grow mold within days.

To solve this, food manufacturers coat the cheese in starches and indigestible plant fibers. While they claim these additives are harmless, they drastically alter how the cheese behaves when cooked. Cellulose In Shredded Cheese

The extra processing also hits your wallet. When you buy a bag of pre-shredded cheese, you are paying a premium for added weight from wood pulp and starches. A standard block of cheese gives you 100% dairy, whereas you're only getting 96-98% actual cheese in a pre-shredded bag. Is Cheese Bad For You

What's Actually In Shredded Cheese

  • CelluloseA cheap, indigestible plant fiber often derived from wood pulp. It keeps shreds from sticking together but acts as an artificial filler. In some independent tests, grated parmesan contained nearly 8% cellulose. Cellulose In Shredded Cheese
  • NatamycinA mold-inhibiting fungicide produced by soil bacteria. While the FDA considers it safe, Whole Foods has banned it from their stores due to concerns about sensitivities and gut irritation.
  • Potato and Corn StarchCheap carbohydrate fillers used to absorb moisture. These starches prevent the cheese from melting smoothly and are the reason your homemade mac and cheese turns out gritty.

What to Look For

Green Flags:

  • Whole block formatThe ultimate proof of purity. Block cheese naturally resists mold and doesn't require anti-caking dust to survive on the shelf. Cleanest Cheese Brands
  • Simple ingredientsMilk, cultures, enzymes, and salt. That is all it takes to make real cheese.

Red Flags:

  • Pre-shredded or pre-crumbled bagsA guarantee of added starches. If it comes in tiny pieces, it requires chemical help to stay that way.
  • "Anti-caking" on the labelA warning sign for texture issues. Whether it is cellulose or potato starch, these ingredients will ruin a smooth cheese sauce. Is Processed Cheese Bad

The Best Options

Here are the best ways to buy cheese if you want to avoid unnecessary additives. Sticking to block cheese is the easiest way to keep your meals clean. Check out our guide to the Cleanest Cheese Brands and learn why we prefer pasture-raised options in Is Grass Fed Cheese Better.

BrandProductVerdictWhy
KerrygoldGrass-Fed Cheddar Block100% real cheese with no fillers or mold inhibitors. Is Kerrygold Cheese Clean
TillamookMedium Cheddar BlockA reliable, additive-free block available in most grocery stores. Is Tillamook Cheese Clean
KraftShredded Triple Cheddar🚫Loaded with cellulose and natamycin to extend shelf life.

The Bottom Line

1. Buy the block.It takes two minutes to shred your own cheese, and you avoid a cocktail of starches and fungicides.

2. Check the math.Block cheese is almost always cheaper per ounce than its shredded counterpart, meaning you save money while eating cleaner.

3. Protect your recipes.Real cheese melts perfectly. If you want gooey pizza or silky sauces, anti-caking agents are your worst enemy.

FAQ

Is the cellulose in shredded cheese actually wood pulp?

Yes, powdered cellulose is often derived from wood pulp. While it is technically a safe, indigestible plant fiber, food companies use it because it is an incredibly cheap way to add weight and prevent clumping. Cellulose In Shredded Cheese

Why doesn't shredded cheese melt well?

The anti-caking agents act like a barrier. Powders like potato starch and cellulose coat the individual cheese shreds, preventing them from fusing together into a smooth, creamy pool of fat and protein. Healthiest Cheese Types

Can you freeze block cheese to make it last longer?

Yes, but you should shred it yourself first. Block cheese can become crumbly when frozen whole, so your best bet is to shred a clean block at home and freeze it in portions to avoid additives.


References (11)
  1. 1. myfoodmemoirs.com
  2. 2. agristuff.com
  3. 3. oreateai.com
  4. 4. accio.com
  5. 5. pizzatoday.com
  6. 6. slate.com
  7. 7. reddit.com
  8. 8. lovefood.com
  9. 9. thelist.com
  10. 10. wfaa.com
  11. 11. healthyuwellness.org

🛒 Product Recommendations

Grass-Fed Cheddar Block

Kerrygold

Rich in omega-3s and naturally free of anti-caking agents.

Recommended
Medium Cheddar Block

Tillamook

A reliable, additive-free block available in most grocery stores.

Recommended
🚫
Shredded Triple Cheddar

Kraft

Contains cellulose and natamycin, leading to poor melting and potential digestive upset.

Avoid

Unexpected Cheddar Cheese Block

Trader Joe's

This highly-rated block contains only pasteurized milk, cheese cultures, salt, and microbial enzymes. Because it remains in block form, it entirely avoids the powdered cellulose found in its pre-shredded counterpart, allowing its unique parmesan-cheddar hybrid texture to melt flawlessly.

Recommended
Extra Sharp Cheddar Cheese Block

Cabot Creamery

This block earns EWG's 'no processing concerns' designation because it is formulated without starches or mold inhibitors. It is naturally lactose-free and provides 20% of the daily value of naturally occurring calcium per serving.

Recommended
Raw Cheddar Cheese Block

Organic Valley

Crafted from organic, cultured, unpasteurized grass-fed milk, this raw cheddar provides a cleaner nutritional profile with zero synthetic hormones or antibiotics. It relies on a minimum 60-day aging process to develop flavor and preserve freshness naturally rather than utilizing chemical stabilizers.

Recommended
Fresh Mozzarella Log

BelGioioso

Fresh mozzarella has a naturally high moisture content, making it highly susceptible to clumping if shredded commercially. Buying this solid log guarantees a pure ingredient list of pasteurized milk, vinegar, enzymes, and salt, skipping the heavy starch dustings that ruin pizza stretch.

Recommended

Signature Aged Parmigiano Reggiano Wedge

Kirkland Signature

Imported from Italy and bearing the authentic Protected Designation of Origin (PDO) label, this cheese is aged for a minimum of 24 months. It contains only raw part-skimmed cow's milk, cheese cultures, salt, and animal rennet, completely bypassing the wood pulp fillers commonly found in ambient-temperature grated parmesan.

Recommended
Original Cheese Wedge

Jarlsberg

This semi-soft Norwegian-style cheese utilizes a clean base of pasteurized cow's milk, bacterial cultures, salt, and microbial rennet. It is naturally gluten-free and melts into a smooth, elastic texture because it is not coated in the anti-caking powders required for pre-sliced or shredded Swiss varieties.

Recommended

Organic Cashew Milk Mozzarella

Miyoko's Creamery

A standout in the dairy-free category, this USDA Organic block utilizes cashew milk, coconut oil, agar, and konjac to achieve its solid structure. By selling it as a solid wheel rather than pre-shredded, Miyoko's avoids the gritty powdered cellulose dust that plagues most vegan shredded cheeses.

Recommended

BellaVitano Gold Wedge

Sartori

This award-winning firm Wisconsin cheese maintains an additive-free profile of pasteurized milk, cheese cultures, salt, and enzymes. Grating this dense wedge at home ensures maximum flavor release and a smooth melt without the dry, powdery texture of pre-grated hard cheeses.

Recommended

Organic Mild Cheddar Block

Rumiano Cheese Company

Sourced from cows grazing year-round on California's Redwood Coast, this Non-GMO Project Verified cheese uses a proprietary microbial coagulant. The high-quality, grass-fed fat content melts beautifully—an attribute that would be severely degraded by the addition of cellulose or calcium sulfate.

Recommended
Oregon Blue Cheese Wedge

Rogue Creamery

Buying blue cheese in an intact wedge is critical for avoiding the powdered cellulose frequently used to keep pre-crumbled varieties from clumping in the tub. This organic wedge maintains its signature creamy, buttery texture exactly as the cheesemaker intended.

Recommended

Naturals Provolone Cheese Block

Applegate

While pre-shredded provolone blends are often heavily coated in anti-caking agents to prevent the high-moisture shreds from sticking, this whole-format option keeps the ingredient list strictly to cultured pasteurized milk, salt, and enzymes. It provides a clean, elastic stretch ideal for hot sandwiches.

Recommended
🚫

Shredded Mozzarella

Sargento

Despite being marketed as 'Natural,' this product uses a combination of potato starch, powdered cellulose, and natamycin. These added starches act as a moisture barrier, actively working against mozzarella's natural melting properties and leading to a stiff, rubbery texture on pizzas.

Avoid
🚫

Shredded Sharp Cheddar

Great Value

Walmart's store-brand shredded cheddar pads the bag with potato starch and powdered cellulose to reduce costs. It also contains natamycin, a fungicide that acts as a mold inhibitor but has been banned by health-conscious retailers like Whole Foods due to gut irritation concerns.

Avoid
🚫

Grated Parmesan Cheese

Kraft

This ambient-temperature shaker bottle utilizes cellulose powder to prevent caking and potassium sorbate as a chemical preservative to protect flavor. Consumers are paying a premium per ounce for indigestible wood pulp rather than 100% aged dairy.

Avoid
⚠️

Shredded Mexican-style Cheese

Good & Gather

This four-cheese blend is coated in an anti-caking powder made of potato starch, tapioca starch, and natamycin. The heavy starch barrier prevents the Monterey Jack and Asadero from properly fusing, making it difficult to achieve a cohesive, non-grainy cheese sauce.

Use Caution
🚫

Just Like Mozzarella Shreds

Violife

Dairy-free shredded cheeses suffer even more from anti-caking agents than traditional dairy. This vegan product relies on modified tapioca starch, potato starch, lentil protein, and powdered cellulose, which drastically inhibits a smooth melt and creates a sticky, gummy mouthfeel.

Avoid
🚫

Shreds Original Flavor

Velveeta

This highly processed cheese product barely resembles real dairy, containing a long list of additives including gelatin, maltodextrin, sodium phosphate, and sorbic acid. The inclusion of calcium sulfate (a firming agent) alongside cellulose powder severely degrades its nutritional density and artificial melt.

Avoid
⚠️

Mild Cheddar Cheese Block

Kraft

Buying a block doesn't automatically guarantee purity. Kraft's mass-market Mild Cheddar block surprisingly includes natamycin directly in the solid cheese packaging to drastically extend its shelf life, proving that consumers must still read labels carefully.

Use Caution
🚫

Thick Cut Shredded Mozzarella Cheese

Borden

Marketed for its 'smoother melt,' this thick-cut shred contains a heavy-duty anticaking blend of potato starch, corn starch, and calcium sulfate. Calcium sulfate severely alters the moisture retention and texture of the cheese when subjected to heat.

Avoid
⚠️

365 Mild Cheddar Cheese Shreds

Whole Foods Market

Even though Whole Foods bans the use of natamycin, their store-brand shredded cheese still relies on powdered cellulose to prevent the shreds from clumping. This demonstrates that even 'clean' grocery chains must use wood-pulp-derived fillers to make pre-shredded cheese shelf-stable.

Use Caution
⚠️

365 Organic Blue Cheese Crumbles

Whole Foods Market

Pre-crumbled cheeses face the exact same surface-area issues as shredded cheeses. Even with a strict USDA Organic certification, this product contains powdered cellulose to maintain a free-flowing texture, meaning you are consuming unnecessary plant fiber instead of pure blue cheese.

Use Caution
🚫

Shredded Mexican Blend Cheese

Lucerne

This generic supermarket blend utilizes a heavy starch coating to keep the shreds separated in the bag. When heated for queso dips or nachos, the starch acts as a sponge, absorbing moisture and leaving the melted fat greasy and separated.

Avoid
⚠️

Shredded Unexpected Cheddar Cheese

Trader Joe's

While the block version of Unexpected Cheddar is highly recommended for its pure ingredients, this pre-shredded convenience version specifically adds powdered cellulose as an anti-caking agent. Grating the clean block yourself takes just a few minutes and entirely avoids this unnecessary textural compromise.

Use Caution

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