Keto Low-Carb Instant Pot Chicken Fajitas

We love this Instant Pot chicken fajitas recipe because it’s light, flavorful, and simple. The chicken, peppers, and onions take center stage, so I keep the seasoning straightforward and let the ingredients shine.

If you’re new to the Instant Pot, it can feel intimidating. I’ve found that results vary slightly each time, but the food always turns out delicious. If you want a simple starting point, check out my Taco Chicken recipe for a similar method.

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One important Instant Pot tip: don’t forget the water. I’ve accidentally started the pot without enough liquid and wondered why it wouldn’t seal. After the first cook, if there’s a lot of liquid, drain off all but about a cup before adding the vegetables.

Once the chicken is cooked, add the sliced peppers and onions on top. If you look closely you can see the chicken peeking out from under the vegetables. Then stir in a can of tomatoes and taco seasoning for bright, familiar flavor.

Next time I’ll add a red pepper too — the orange and yellow peppers lost some color during cooking, giving the dish a predominantly yellow appearance. But that’s fine: think of it as eating sunshine in every bite.

I follow a low-carb diet, so I serve these fajitas over cauliflower rice. Sometimes I add a little cheese and a dollop of Greek yogurt for extra creaminess — delicious. Of course, these fajitas are also great in flour or corn tortillas if you prefer.

Every bite was fantastic — like a homemade Chipotle, just sunnier. This is one of those recipes you’ll look forward to eating again as leftovers, even for breakfast.

If you want low-carb tortillas, there are good commercial options available. You can also make your own almond- or coconut-based tortillas if you prefer homemade alternatives. I plan to try several recipes and report back on which works best for tortilla bowls.

If you enjoy low-carb Instant Pot recipes, Pinterest is a great resource for discovering new ideas and blogs. I’m considering trying an Instant Pot cabbage and sausage recipe next, but for now I’m sticking with these fajitas — they’re too good to wait on.

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