Can You Put Aluminum Foil, Parchment Paper, and Other Materials in an Air Fryer?

Overview

If you have ever wondered, can you put foil in an air fryer or can you put parchment paper in an air fryer, the short answer is: sometimes, but not carelessly. Air fryers are less forgiving than ovens when lightweight materials are loose, oversized, or placed in the appliance before food is added. Because the fan is constantly circulating hot air, materials can shift, curl, or reduce the crisping performance you bought the machine for in the first place.

Think of this as an air fryer safety guide rather than a list of hacks. The safest approach is always to check your model manual first, especially if you own an oven-style unit, a dual-basket model, or an air fryer toaster oven combo. Basket and tray layouts vary, and that changes how close liners and cookware sit to the heating element.

Here is the practical baseline:

• Usually safe with care: aluminum foil, parchment paper, perforated parchment liners, silicone liners, oven-safe glass, oven-safe ceramic, metal pans, ramekins, and air fryer accessories designed for high heat.
• Usually not safe: plastic containers, plastic wrap, wax paper, foam trays, brown paper bags, thin takeout packaging, and anything not labeled for oven or high-heat use.
• Conditionally safe: paper liners, wooden skewers, toothpicks, and reusable mats—only if they are used correctly, secured by food when needed, and kept clear of the heating element.

The key question is not only what can go in an air fryer, but also how it is placed inside. Even a safe material can become a problem if it covers every hole in the basket, hangs over the sides, or is preheated empty and then lifted by the fan.

Quick reference: what is generally safe?

Aluminum foil: Yes, in many air fryers, if it is weighed down, fitted neatly, and does not block all airflow.
Parchment paper: Yes, if it is perforated or trimmed to fit, placed under food, and never allowed to fly loose.
Paper liners: Often yes, but choose liners made for air fryers or ovens and avoid overfilling with grease.
Silicone liners: Usually yes, if heat-safe and properly sized, though they can reduce airflow more than parchment.
Metal pans and racks: Yes, if they fit properly and do not scrape coatings or obstruct circulation too much.
Glass and ceramic: Sometimes, if clearly oven-safe and used with care around thermal shock and fit.
Plastic: No.
Wax paper: No.
Paper towels: No, for cooking.
Cardboard or takeout containers: No.

If your main concerns are smoke, odor, or messy splatter, it also helps to understand that materials are only part of the equation. Grease buildup and leftover residue can create their own issues. For that, see Why Your Air Fryer Smokes and How to Fix It Safely and Why Your Air Fryer Smells Like Plastic, Burnt Oil, or Old Food.

Topic map

This section breaks down the most common air fryer safe materials into practical categories: safe, safe with conditions, and avoid. Use it like a pre-cooking checklist.

1. Aluminum foil

Foil is one of the most common materials people use in an air fryer, and it can be useful for lining a small section of the basket, wrapping delicate foods, or reducing cleanup after greasy items. But foil should be used in a controlled way, not as a blanket lining.

Use foil when:

• You are cooking messy or marinated foods and want easier cleanup.
• You need to shield part of a food from over-browning.
• You are using a small foil sling or packet for ingredients that might otherwise fall through.

Use foil carefully because:

• It can block airflow and reduce browning.
• Loose edges can lift in strong fan airflow.
• Acidic foods may react with foil and affect flavor.

Best practice: Keep foil tightly fitted, avoid covering the entire basket base unless your model allows enough side airflow, and always weigh it down with food. Do not let foil touch the heating element. If you cook acidic foods such as tomatoes, citrus-based marinades, or vinegar-heavy sauces, a small oven-safe dish is often a better choice.

2. Parchment paper

Parchment is popular because it helps with sticky foods and cleanup, but it must be used correctly. The main risk is not the material itself; it is loose paper moving around in the fan current.

Parchment is a good choice when:

• You are cooking breaded foods, dumplings, fish, or glazed items that tend to stick.
• You want to reduce scrubbing after sugary or saucy recipes.
• You use perforated parchment that still allows decent airflow.

Rules for parchment paper:

• Never place it in the air fryer during preheating unless food is on top to hold it down.
• Trim it to fit the basket or tray instead of letting edges curl upward.
• Do not cover more surface area than needed.
• Use parchment made for baking or air fryer use, not wax paper.

Perforated parchment usually works better than a solid sheet because it interferes less with circulation. If your goal is maximum crispness, use the smallest piece that does the job.

3. Disposable paper liners

These shaped liners are convenient, especially for fatty foods or quick weeknight meals. They can be helpful, but they are not automatically the best option for every recipe.

Pros: easy cleanup, tidy basket, useful for foods that drip or leave residue.
Cons: can trap grease, soften crispness, and reduce airflow more than an open basket.

Choose liners intended for oven or air fryer temperatures, and avoid overfilling them with oil or heavy sauce. A liner full of rendered fat can smoke more easily than an open basket where grease drains away.

4. Silicone liners and molds

Silicone accessories are reusable and generally simple to wash. They are a practical option for egg bites, small bakes, and sticky foods, but they are not ideal for everything.

Good uses: mini frittatas, reheating delicate foods, catching drips, baking small portions.
Less ideal for: foods that rely on maximum hot-air contact for crisping.

Use only food-grade, heat-safe silicone accessories sized for your air fryer. Thick-sided silicone bins can noticeably reduce airflow, which may require longer cooking and occasional turning.

5. Metal pans, racks, and ramekins

Small metal bake pans, cake barrels, and racks are often among the most practical air fryer accessories. Metal handles heat efficiently and is usually a better choice than improvised liners when you need structure.

Use them for:

• Small casseroles
• Brownies or cakes
• Baked oats
• Roasting vegetables that would otherwise fall through
• Holding sauces or melted butter on the side

Make sure the pan fits comfortably without scraping the nonstick basket. If an accessory is too large, it can crowd the chamber and slow cooking.

6. Glass and ceramic

These materials can be safe if they are labeled oven-safe, but they require more caution than metal. Sudden temperature changes can stress some dishes. Air fryers also heat fast, so dishes need enough room around them for airflow.

Safer approach: use small oven-safe ramekins or baking dishes, avoid moving cold glass directly into a very hot air fryer, and do not force oversized containers into a compact basket.

If you are unsure, choose metal instead. It is often the simpler and lower-risk option in an air fryer.

7. Materials to avoid

Some materials should stay out of the air fryer entirely:

• Plastic containers or plastic wrap: can warp or melt.
• Wax paper: not made for high dry heat in the same way parchment is.
• Paper towels: can interfere with airflow and are not intended as cooking liners.
• Cardboard, paper bags, and takeout cartons: not suitable for air fryer heat and airflow.
• Foam packaging: never safe.

If the container came with ready-made food, do not assume it can go into the air fryer unless the packaging clearly says so. When in doubt, transfer the food to an air fryer-safe pan or directly to the basket.

Related subtopics

Materials are only one part of safe air fryer use. The topics below help explain why some setups work and others lead to smoke, poor browning, or cleanup headaches.

Airflow matters more than most people expect

The fastest way to make an air fryer perform poorly is to line every surface and then crowd the basket. Most recipes crisp best when hot air can circulate above, below, and around the food. If you regularly use liners, expect to adjust your timing slightly and flip or shake more often. For timing help, bookmark Air Fryer Cooking Times Chart for Chicken, Vegetables, Frozen Foods, and Reheating.

Basket style vs oven style changes what works

A basket air fryer and an oven-style air fryer do not move air in exactly the same way. Basket models often have stronger direct airflow in a tighter chamber, which makes loose parchment or oversized foil more likely to shift. Oven-style models may give you more room for pans and trays, but placement relative to the heating element still matters. If you are deciding which type fits your cooking habits, see Basket Air Fryer vs Oven-Style Air Fryer: Pros, Cons, and Who Each Type Fits Best.

Cleanup tools can affect safety too

Many people reach for liners because they dislike scrubbing. That is understandable, but easier cleanup starts with the right routine: empty grease promptly, wipe residue before it hardens, and avoid abrasive tools that damage coatings. If a liner causes drips to pool and burn, it may create more cleanup, not less.

Model manuals still matter

Even if a material is broadly considered safe, your machine may have specific instructions about accessories, basket coatings, rack positions, or maximum fill levels. This is especially relevant if you are comparing models and want one that handles accessories well. For shopping help, you may want Air Fryer Reviews Hub: Top Models Compared by Capacity, Controls, and Cleanup, Best Air Fryers for Beginners: Easy Controls, Simple Cleaning, and Reliable Results, or Best Large Air Fryers for Families and Batch Cooking.

When liners solve a problem—and when they create one

Use a liner when food is sticky, sugary, delicate, or messy enough that cleanup would otherwise be difficult. Skip the liner when you want the crispiest frozen foods, roasted vegetables with browned edges, or anything that benefits from direct basket contact and strong circulation. If you are just starting out, learn the appliance without accessories first; then add them only when they solve a real problem. How to Use an Air Fryer for Beginners: First-Time Setup, Settings, and Mistakes to Avoid is a good next step.

How to use this hub

This article works best as a repeat reference before you try a new liner, accessory, or container. Instead of memorizing a long list, run through this five-step check:

1. Check the material. Is it designed for oven or high-heat cooking? If not, do not use it.
2. Check the weight and fit. Can it stay in place without lifting, curling, or touching the heating element?
3. Check the airflow. Are you covering so much of the basket or tray that the food will steam instead of crisp?
4. Check the food itself. Is the recipe greasy, acidic, sticky, or sauce-heavy? That may change whether foil, parchment, or a pan is the better choice.
5. Check the manual. If your manufacturer gives a specific warning or accessory recommendation, follow that over generic advice.

A useful habit is to match the material to the job:

• For sticky foods: parchment or a small silicone mold.
• For greasy foods: a rack, tray, or carefully used liner that does not trap too much grease.
• For baked items: a metal pan or oven-safe ramekin.
• For maximum crisping: no liner, or the smallest perforated liner possible.

If you are troubleshooting after cooking, ask what happened:

• Food is pale or soggy: too much surface coverage, overcrowding, or poor airflow.
• Paper browned too fast or shifted: it was too loose, too large, or not weighed down.
• Smoke appeared: grease pooled, residue burned, or a liner trapped drippings near a hot surface.
• Odor developed: leftover oil or packaging material may be the issue rather than the food alone.

For buyer-side questions, people who expect to use pans, racks, and accessories often do better with a roomier model. If you are still choosing a machine, compare options through Best Budget Air Fryers That Are Actually Worth Buying or browse brand considerations in Ninja vs Cosori Air Fryers: Which Brand Is Better for Most Home Cooks?.

When to revisit

Return to this guide whenever one of these situations comes up:

• You buy a new air fryer and the basket shape or heating layout changes.
• You start using accessories such as liners, molds, baking pans, or stackable racks.
• You notice smoke, hot spots, weak browning, or food cooking unevenly.
• You switch from simple reheating to messier foods like marinated chicken, glazed salmon, bacon, or battered vegetables.
• You are unsure whether new packaging, prep materials, or reusable accessories are truly air fryer safe.

The most practical takeaway is simple: safe materials are only safe when they are also properly sized, stable, and compatible with airflow. Before every cook, do a quick visual check. Nothing should be loose, flammable-looking, melting-prone, or hanging where the fan can lift it. If you are deciding between a liner and no liner, start with less coverage and add more only if cleanup demands it.

For most home cooks, the safest default setup is still the most basic one: food directly in the basket or on a rack, with a small properly fitted accessory only when the recipe truly benefits from it. That approach gives you better crisping, fewer surprises, and less risk of smoke or scorching. Bookmark this page as your materials checklist, and revisit it any time your air fryer setup changes.