Is Little Caesars Vegetarian? Cheese, Rennet & What to Get

Mostly yes, with one exception worth knowing. Independent vegetarian resources report that Little Caesars uses microbial rennet in its pizza cheeses, which makes cheese and veggie pizzas suitable for vegetarians. The Parmesan is the exception — it may contain animal rennet, and it sits on top of Crazy Bread®, Crazy Puffs® and stuffed-crust pizzas.

What can I eat? The status table

Three columns: safe as ordered, needs a change, or off the list.

What rennet actually is, and why it decides this question

Rennet is the enzyme complex that curdles milk into cheese. Its main component is chymosin, and where that chymosin comes from is the entire vegetarian question.

Four sources, two answers:

• Animal rennet — extracted from the fourth stomach lining of unweaned calves. Not vegetarian.
• Microbial rennet — fermented from fungi or bacteria, commonly Aspergillus niger or Kluyveromyces lactis. Vegetarian.
• Vegetable rennet — from thistle, safflower, fig leaves or melon. Vegetarian, but less efficient, so it’s rarer in commercial cheese.
• Fermentation-produced chymosin — made by genetically modified microbes. Vegetarian, and the most common coagulant in commercial mozzarella.

Here’s the labelling problem. The FDA permits the generic word “enzymes” on an ingredient list. A spec sheet reading “enzymes” tells a vegetarian nothing — it covers animal rennet just as easily as microbial. Only explicit wording like “microbial rennet,” “vegetable rennet” or “non-animal enzymes” is a real answer.

That’s why this question needs sourcing rather than assumption.

The Parmesan exception

The mozzarella and Muenster blend on the pizzas is reported as microbial rennet. Vegetarian resources flag that the Parmesan is a separate matter and may contain animal rennet.

This matters more than it sounds, because Parmesan is not confined to a topping list. It appears on:

• Crazy Bread® — sprinkled over the garlic butter
• Crazy Puffs® — Parmesan finish on every flavour
• Stuffed-crust pizzas — the crust is brushed and sprinkled
• Detroit-Style — Parmesan features in several builds

Traditional Parmesan is aged with animal rennet, which is why Parmigiano-Reggiano is not vegetarian. Whether the version used here follows that convention is not something Little Caesars publishes.

What to do with that. If you avoid animal rennet strictly, order Crazy Bread without the cheese and skip the Parmesan finish. If you’re a more relaxed vegetarian, the exposure is a sprinkle rather than a base ingredient.

Either way, a page telling you the whole menu is “100% vegetarian-safe” is telling you something it cannot know.

Two things the internet gets wrong

Both of these appear on pages currently ranking for this question, and both could ruin someone’s order.

The Detroit-Style crust is not vegan. It contains natural butter flavour. Only the Classic Round and Thin Crust doughs are vegan. Several guides state the deep-dish pan crust is dairy-free. It isn’t.

The Crazy Bread butter spread is fine. Guides tell vegans to order Crazy Bread with no butter and no cheese. The garlic butter flavour spread is oil-based and contains no milk, according to the company. Only the Parmesan needs removing.

So the correct instruction is short: “Crazy Bread, no cheese.” Nothing else.

Vegetarian, vegan and dairy-free are three different questions

Most guides blur these. They need separating, because the answers diverge.

Vegetarian

Straightforward at Little Caesars. Cheese pizza, Veggie pizza, Italian Cheese Bread and the vegetable toppings all work, on the basis that the pizza cheeses use microbial rennet. The Parmesan caveat above is the only wrinkle.

Vegan

Harder, and it requires a custom order. Little Caesars stocks no vegan cheese in the US or Canada.

What’s vegan:

• Classic Round Crust and Thin Crust dough
• Regular pizza sauce
• Crazy Sauce®
• Butter Garlic Flavor Dip (US only — the Canadian Garlic Flavour Dip contains milk)
• Crazy Bread® ordered without cheese
• All vegetable toppings: black olives, green peppers, jalapeños, mild banana peppers, mushrooms, onions, pineapple

What isn’t:

• Detroit-Style crust (butter flavour)
• Crazy Puffs® — premade, and cannot be customised without dairy
• Packaged Little Caesars cookies — these used to be dairy-free and now contain milk and egg

The odd gap: some locations carry Plant-Based Pepperoni. So the chain offers a meat alternative but no dairy-free cheese — which means a vegan can get plant-based pepperoni on a cheeseless pizza, and a vegetarian who wants cheese has more options than a vegan does. Blaze Pizza and MOD Pizza both stock dairy-free cheese; Little Caesars hasn’t followed.

Dairy-free for allergy

A different standard again, because trace exposure matters. Worth knowing on top of the vegan list:

• US Caesar Wings® (BBQ, Buffalo, Oven Roasted) are dairy-free — Canadian wings all contain milk
• Little Caesars Pizza Kits, the fundraiser product, use a crust that contains milk. Do not assume it matches the restaurant dough
• No nut-containing products are kept on the premises, and the only egg-containing items are sold pre-packaged
• Soy is under-declared, because highly refined soybean oil is exempt from FDA allergen labelling

What to say at the counter

Copy the line that fits. Short, specific, and it gives staff something they can act on.

Vegetarian cheese pizza: “A large Classic Cheese, please.”

Vegetarian, avoiding Parmesan: “Crazy Bread with no cheese on top, please.”

Vegan pizza: “Create Your Own on classic round crust — pizza sauce, no cheese, and add mushrooms, onions, green peppers and black olives.”

Vegan sides: “Crazy Bread with no cheese, and a Crazy Sauce.”

If you have a milk allergy: “I have a dairy allergy. Can you use a clean cutter and change gloves before making this?”

Two notes on delivery. Type the request into the order comments if you’re ordering in the app, then phone the store to confirm it came through — comment fields are easy to miss during a rush. And ask when you order, not after. Anything already in the Hot-N-Ready warmer was made to the standard recipe.

The cross-contamination reality

Little Caesars runs a shared kitchen, and this needs stating plainly rather than softly.

The same pizza cutter goes through meat and cheese pizzas. The same oven bakes everything. The same prep surface handles pepperoni and vegetables. Flour and cheese are in the air.

For most vegetarians, this is not a concern — the question is what’s in the food, not what touched the tools. For someone with a milk allergy, it is a real risk, and no custom order removes it. Ask for a clean cutter and fresh gloves, and understand that reduces the risk rather than eliminating it.

If cross-contact is a medical issue, speak to the manager rather than the person at the till.

Why sourcing can change, and why you should still ask

Microbial rennet across the pizza cheeses is what the sources report. It is not a claim Little Caesars publishes itself, and that distinction matters.

There’s precedent. Vegetarian records from earlier years note that while most Little Caesars markets used microbial or vegetable rennet, stores in the Dallas, Greensboro, Atlanta and Chicago areas were using animal rennet. Cheese comes from regional suppliers, suppliers change, and a national statement can be true in aggregate while being wrong at your store.

That’s why “ask your store” isn’t a hedge here. It’s the only way to be certain.

How to get a definitive answer

If you need something better than a third-party report, go to the source.

Little Caesars has historically provided a Vegetarian Guide on request. Write to:

Corporate Communications Little Caesar Enterprises 2211 Woodward Ave Detroit, MI 48201-3400

You can also ask a store manager to check the ingredient specification for the specific cheese used at that location. Managers have access to product spec sheets — and remember what to look for. “Microbial rennet” is an answer. “Enzymes” is not.

For prices and portion sizes on the items above, see our full menu with checked prices and slice counts and calories. Canadian ingredient differences are covered on the Canada menu page.

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