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Air Fryer 3-Ingredient Peanut Butter Cookies

Air fry 3-ingredient peanut butter cookies at 160°C (320°F) for 9 minutes.

Three-ingredient peanut butter cookies are for when a craving hits and you don't want to measure out flour and baking powder. The peanut butter itself provides the fat and structure, so there's genuinely nothing else needed — just watch them closely, since a small batch cooks fast.

3-Ingredient Peanut Butter Cookies
TEMP160°C / 320°FTIME9 MINSERVES3

Ingredients

  • 1 cup peanut butter
  • ¾ cup sugar
  • 1 egg
  • 2 tbsp chocolate chips, optional (optional)

Steps

  1. In a bowl, mix the peanut butter, sugar and egg together until you get a smooth, glossy dough that holds together easily without being sticky.
  2. Stir in the chocolate chips if using.
  3. Line the air fryer basket, or a tray that fits it, with parchment paper.
  4. Roll the dough into 12 small balls and space them out on the parchment.
  5. Flatten each ball slightly with your palm.
  6. Press a fork into the top of each cookie in a criss-cross pattern — this helps them cook through evenly since they're not too thick in the centre.
  7. Preheat the air fryer to 160°C and air fry for 7 minutes.
  8. Check the edges — they should look set and lightly golden, while the middle still looks a little soft — and give them 2 more minutes if needed, up to 9 minutes total.
  9. Let the cookies cool on the parchment for a few minutes, as they firm up properly once out of the basket — don't wait for them to look fully done while still hot.

Tip: Very rich — a small batch goes a long way.

Nutrition (per serving)

740CAL
23gPROTEIN
72gCARBS
45gFAT
5gFIBER

Estimated from standard ingredient data — actual values vary by brand and exact quantities used.

Serving & Storage

Serving: Serve with a cold glass of milk, or sandwich two together with a little jam for something richer.

Storage: Store in an airtight container at room temperature for up to 5 days; there's no need to reheat, though a minute in the air fryer at 150°C brings back a bit of warmth if you like them that way.

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