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Why Isn't My Tofu Crispy in the Air Fryer?

Published in Air Fryer Tofu Crispness 4 mins read

The most common reason your tofu isn't achieving that desired crispiness in the air fryer often boils down to moisture and preparation. Tofu contains a significant amount of water, and if not properly removed or managed, it will steam rather than crisp when cooked.

Here's a breakdown of the key factors that prevent your tofu from getting crispy in the air fryer:

1. Insufficient Tofu Preparation

Proper preparation is the cornerstone of crispy air-fried tofu.

  • Not Pressing the Tofu: This is arguably the most crucial step. To achieve the crispiest, crunchiest air fryer tofu possible, it is highly recommended to press your tofu before you cook it. This step, while adding some extra time, is totally worth it. Pressing the excess water out of the tofu helps it cook up extra-firm and crisp. You can do this by:
    • Using a Tofu Press: The most efficient method.
    • DIY Method: Wrap the tofu in paper towels or a clean kitchen towel, place it on a plate, and weigh it down with heavy objects (e.g., books, cast iron pans) for at least 30 minutes to an hour, or even longer for best results.
  • Not Drying the Tofu Thoroughly: Even after pressing, pat the tofu cubes very dry with paper towels before seasoning. Any residual surface moisture will hinder crisping.
  • Incorrect Tofu Type: Soft or silken tofu varieties are not suitable for air frying as they contain too much water and won't hold their shape or crisp up. Always opt for extra-firm or super-firm tofu.

2. Lack of Proper Coating

A dry coating helps absorb moisture and creates a crunchy exterior.

  • Forgetting Starch: A light dusting of cornstarch, arrowroot powder, or tapioca starch is essential. This creates a thin, dry layer that gets incredibly crispy when heated.
  • Not Enough Oil: While the air fryer is designed to use less oil, a small amount is still necessary for browning and crisping. Toss your tofu with a tablespoon or two of a neutral high-heat oil (like avocado or canola oil) along with your seasonings and starch.

3. Air Fryer Technique Issues

How you cook the tofu in the air fryer also plays a significant role.

  • Overcrowding the Basket: Air fryers work by circulating hot air around the food. If you overcrowd the basket, the air cannot circulate properly, leading to steaming instead of crisping. Cook tofu in batches, ensuring there's a single layer with space between pieces.
  • Incorrect Temperature:
    • Too Low: The tofu will dry out or cook slowly without developing a crisp crust.
    • Too High: The outside might burn before the inside is properly cooked or the crispness fully develops. A temperature between 375°F (190°C) and 400°F (200°C) is generally ideal for tofu.
  • Not Shaking or Flipping: For even crisping on all sides, it's crucial to shake the basket or flip the tofu pieces halfway through the cooking time.
  • Not Cooking Long Enough: Crispiness takes time. Don't pull the tofu out too early. Continue cooking until it reaches your desired level of golden brown and crunchy.

Common Mistakes and Solutions for Crispy Air Fryer Tofu

Problem Why it Happens Solution
Tofu is soggy/chewy Excessive moisture within the tofu. Press the tofu thoroughly for at least 30 minutes, ideally longer. Use extra-firm or super-firm tofu.
Tofu is not browning Not enough oil or starch, or too low temperature. Toss with 1-2 tbsp oil and 1-2 tbsp cornstarch. Ensure air fryer temp is 375-400°F (190-200°C).
Tofu is unevenly crispy Overcrowding or not shaking/flipping. Cook in single layers, in batches if necessary. Shake the basket or flip pieces halfway through cooking.
Tofu sticks to the basket Not enough oil or preheating. Lightly spray the air fryer basket with oil before adding tofu. Ensure it's preheated.
Tofu tastes bland Insufficient seasoning. Season generously with salt, pepper, garlic powder, onion powder, paprika, or your favorite spices after adding oil and starch.

By addressing these common pitfalls, especially by prioritizing proper pressing and ensuring adequate air circulation, you'll be well on your way to enjoying perfectly crispy air-fried tofu every time.