These crispy Frozen Air Fryer Sweet Potatoes are super simple and very customizable, no matter your tastes or tolerances. They go from freezer to table in 20 minutes, with just four simple ingredients you probably already have at home.
If you love crispy potato dishes, try my easy parmentier potatoes or air fryer smashed potatoes.
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About this recipe
Great Source of Vitamin A: Sweet potatoes are high in fiber and nutrients like vitamin A and potassium, and make for a great nightshade-free substitute for roasted potatoes.
Simple Enough for Beginners: These are the same frozen air fryer sweet potatoes that I've been making for months, so I know this recipe is easy & detailed enough for beginners and home chefs alike. We like to mix up the seasonings, but if you find a blend you like, it's always nice to have a comfort food dish to come back to!
Low Histamine Side Dish: sweet potatoes are one of the 15 foods I let myself eat during my first week of a low histamine diet, and they still feature heavily. These easy air fryer frozen sweet potato cubes can be seasoned with whatever you tolerate, and can even be flavored specifically to complement the rest of your meal.
Ingredients
Frozen Sweet Potato: you can buy it in any form, but I like the cubed version and always try to buy organic, if not using vegetables I've frozen myself. Sweet potato fries would also be good, but make sure they aren't already seasoned or breaded, if you plan to add more seasoning.
Lard: this high-heat oil is an animal fat well-known for its fantastic frying ability, which stores beautifully in the freezer for longer periods of time. For a vegan version, use refined coconut oil.
Seasoning: while this is technically optional, I highly recommend using ½ to 1 teaspoon of your favorite tolerated seasoning. See the notes section for ideas, though I really like half each za'atar and garlic powder.
How to make frozen sweet potatoes in air fryer: step-by-step instructions
Step 1. Pour your frozen sweet potatoes into your air fryer basket and set it to preheat at 400°F (205°C) for 4 minutes. This will get any frost off and break the pieces apart before seasoning, but let them go much longer than 4 minutes and the potatoes will start cooking and stick to the basket.
Step 2. While your frozen sweet potato is heating up, gather your oil, salt, and seasoning of choice (I like ½ teaspoon za'atar & ½ garlic powder). Once the preheating is complete, carefully scoop your warm sweet potatoes into a small bowl and pat them dry with a dishtowel or several paper towels (this took me about 2 minutes); this is integral to getting them crispy. Toss any water left in the bottom of the air fryer after preheating.
Step 3. Then drizzle the oil, salt, and seasoning over the sweet potatoes and stir or toss them in the bowl until well-combined (about 30 seconds). If using only 1 teaspoon of oil, spray the inside of your air-fryer basket with a tolerated oil spray; otherwise just proceed to pouring in the pieces.
Step 4. Arrange the sweet potatoes in as thin a layer as possible, though a bit of overlap is okay, and then put back the frozen sweet potato in air fryer for another 15 minutes at 400°F (205°C). Take out your crispy bits and taste one, then add extra salt (if needed) & enjoy!
Recipe notes & tips
Defrosting: When making frozen sweet potato cubes in the air fryer, the very first thing you need to do is bring them as much back to normal as possible. Much like patting dry brussels sprouts or regular potatoes before browning them at a high heat, it's imperative to bring the pieces to room temp and thoroughly dry them; otherwise they won't properly crisp up.
Seasonings: If you know you don’t tolerate garlic powder or one or more of the spices in za'atar, you can swap it for a blend of other low histamine herbs and spices you think would go well. You can use any type of seasoning, but otherwise I'd recommend Italian seasoning, homemade garam masala, dried rosemary & garlic, or any premade steak seasoning (if tolerated).
Re-freezing: I wouldn't recommend putting these back in the freezer once cooked, as it will negatively affect the texture quite a bit, making them mushy. This is why I purposefully used just a pound of sweets for this recipe; it can easily be halved or doubled for varying crowd sizes.
What to serve with air fryer sweet potatoes
- Low Histamine Chicken Tenders
- Low Histamine Pecan Pesto Pasta
- Veggie Omelette for a low histamine breakfast
- A Simple Low Histamine Salad
- Your Favorite Low Histamine Soup
📖 Recipe
How to Cook Frozen Sweet Potatoes (in Air Fryer)
Ingredients
- 1 pound frozen sweet potato pieces
- 1-2 teaspoons fat of choice I like coconut oil or lard
- ½ to 1 teaspoon seasoning optional; see notes
- ½ teaspoon sea salt exclude if seasoning has salt
Instructions
- Pour your frozen sweet potatoes into your air fryer basket and set it to preheat at 400°F (205°C) for 4 minutes. This will get any frostbite off and break the pieces apart before seasoning, but let them go much longer than 4 minutes and the potatoes will start cooking and stick to the basket.
- While your frozen sweet potato is heating up, gather your oil, salt, and seasoning of choice (I like ½ teaspoon za'atar & ½ garlic powder). Once the preheating is complete, carefully scoop your warm sweet potatoes into a small bowl and pat them dry with a dishtowel or several paper towels (this took me about 2 minutes); this is integral to getting them crispy. Toss any water left in the bottom of the air fryer after preheating.
- Then drizzle the oil, salt, and seasoning over the sweet potatoes and stir or toss them in the bowl until well-combined (about 30 seconds). If using only 1 teaspoon of oil, spray the inside of your air-fryer basket with a tolerated oil spray; otherwise just proceed to pouring in the pieces.
- Arrange the sweet potatoes in as thin a layer as possible, though a bit of overlap is okay, and then put back the frozen sweet potato in air fryer for another 15 minutes at 400°F (205°C). Take out your crispy bits and taste one, then add extra salt (if needed) & enjoy!
Notes
Re-freezing: I wouldn't recommend putting these back in the freezer once cooked, as it will negatively affect the texture quite a bit, making them mushy. This is why I purposefully used just a pound of sweets for this recipe; it can easily be halved or doubled for varying crowd sizes.
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