Peanut Butter Cookies in the Air Fryer
Air fryer peanut butter cookies need only four ingredients and about 8 minutes of baking, and the dough has no flour at all. They come out soft in the center with lightly crisp edges and a strong peanut flavor. This guide gives you a flourless recipe, the right batch size for the basket and notes for an egg-free version.
- Temperature
- 320°F160 °C
- Total time
- 44min
- Prep time
- 10min
- Servings
- 12
- Per serving
- 175kcal
Why the air fryer works for peanut butter cookies
Peanut butter cookie dough is mostly fat and sugar, with the egg acting as a binder. That makes it a very quick bake. In an air fryer the hot air heats the surface of each cookie evenly, so the sugar caramelizes at the edges while the middle stays tender, and the whole batch is done in about 8 minutes. A flourless dough like this one also gives a texture that is chewier and richer than a version made with flour.
The small chamber has one consequence you should know about. A basket holds only four cookies at a time, so a dozen means three rounds, with the unbaked dough waiting in the refrigerator. Chilling keeps the fat in the peanut butter from melting too soon, which is what makes cookies spread thin. Cool the cookies on the parchment for a few minutes before moving them, since flourless dough firms up only as it cools.
How to make peanut butter cookies in the air fryer
Tap a time to start a timer.
- Mix the dough Stir the peanut butter, brown sugar, egg, vanilla, baking soda and salt in a bowl until a thick, smooth dough forms. It should feel like soft clay. If it seems sticky, chill it for .
- Shape the cookies Roll the dough into 12 balls of about 1 tbsp each, then roll them lightly in the granulated sugar. Place the balls on a plate.
- Press Press each ball flat to about ½ inch with the back of a fork, then press again in the other direction to make the classic crisscross pattern.
- Preheat and arrange Preheat the air fryer to 320 °F for . Cut parchment paper to fit the bottom of the basket with a border all around, and place 4 cookies on the parchment 1½ inches apart. Put the paper in the basket only with the cookies on top.
- Bake Cook for , until the edges look dry and the tops are lightly golden. The cookies will be soft. Leave them on the parchment for to set before moving them, then bake the remaining cookies in 2 more batches.
Times and temperatures
| Peanut Butter Cookies | Temperature | Time |
|---|---|---|
| Standard, 1 tbsp balls4 cookies per batch | 320 °F (160 °C) | 8 min |
| Thicker cookies | 320 °F (160 °C) | 9–10 min |
| Egg-free (2 tbsp milk)Let cool 10 min | 320 °F (160 °C) | 8–9 min |
| Frozen dough balls | 320 °F (160 °C) | 10–11 min |
Times are a guide and depend on the size and wattage of your air fryer. See also air fryer cooking times for all foods.
Tips
- Use regular peanut butter. The natural kind with a layer of oil makes greasy cookies that crumble. A regular no-stir creamy peanut butter holds together much better.
- Press, then press again. The fork pattern is not just decoration. Flattening the ball to ½ inch lets the center cook through before the edges darken.
- Pull them early. Peanut butter cookies bake fast and keep cooking for a few minutes after they leave the basket.
What to serve with peanut butter cookies
A cold glass of milk is the standard pairing, and a scoop of vanilla ice cream between two warm cookies makes a quick sandwich. You can also serve them with coffee or hot chocolate. For a dessert plate, add a few brownies or a slice of banana bread. The cookies page has a chocolate chip recipe if you need a second flavor, and the dessert recipes list has more.
Storing and reheating
Store cooled cookies in an airtight container at room temperature for up to 5 days, or freeze them for up to 3 months. To bake from frozen dough, add 2 to 3 minutes to the baking time. To warm a cookie that has become firm, heat it in the air fryer at 300 °F for 1 to 2 minutes so the peanut butter softens again.
Variations
- Chocolate chip: Fold in ¼ cup mini chocolate chips (not dairy-free unless the chips are). The chips sink slightly, so press a few on top after shaping.
- Peanut butter and oats: Mix in ½ cup old-fashioned oats for a chewier cookie (check for gluten-free oats if needed).
- Filled: Press a mini peanut butter cup (not dairy-free) or 1 tsp jam into the center of a ball and wrap the dough around it before pressing.
- Banana: Replace the egg with 2 tbsp mashed ripe banana for an egg-free, softer cookie.
If it does not turn out right
- The cookies fall apart when lifted
- They need to cool and set for at least 5 minutes first. Flourless dough is fragile when hot. Let them firm up on the parchment, then move them with a thin spatula.
- The cookies are dry and crumbly
- They baked too long, or the peanut butter was the natural, oily kind. Use a no-stir creamy peanut butter and pull the cookies as soon as the edges are dry.
- The cookies spread flat
- The dough was too warm. Chill it for 15 minutes, and keep the remaining dough in the refrigerator while each batch bakes.
Questions and answers
How long do peanut butter cookies take in the air fryer?
About 8 minutes at 320 °F for 1 tbsp balls pressed to ½ inch. Thicker cookies need 9 to 10 minutes. The cookies look underdone when they come out, and they set as they cool.
Can I make air fryer peanut butter cookies with 3 ingredients?
Yes. Mix 1 cup peanut butter, ½ cup sugar and 1 egg, and bake as written. Without baking soda and vanilla the cookies are a bit denser, but the method does not change.
How do I make peanut butter cookies in the air fryer with no egg?
Replace the egg with 2 tbsp milk (not dairy-free) or 2 tbsp mashed ripe banana. The cookies are softer and more fragile, so let them cool for 10 minutes before moving them.
Are these peanut butter cookies gluten-free?
The recipe has no flour, so it is naturally gluten-free. Check the peanut butter label if you need to avoid cross-contact.
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