Make monster Halloween cookies with chocolate dough, pistachio cream, and big candy eyes for an easy seasonal treat. Each batch cooks in the air fryer in 10 minutes or less, with no need to turn on the oven.
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A single candy eye is all it takes to turn these chocolate thumbprint cookies into a Halloween treat, which is my kind of decorating. The chocolate cookies balance the sweeter pistachio cream without needing frosting or extra toppings. They have crisp edges and chewy centers, and the 14-cookie batch gives me enough to share without spending the afternoon baking. If you enjoyed my pistachio cream croissant, this is another easy way to use that jar of spread.
One thing I've found worth waiting for is letting the cookies cool before adding the filling so it stays neatly in the center. Each batch takes just 8 to 10 minutes in the air fryer, making these manageable even when I'm fitting baking around other plans. Decorating is also simple enough to do together without setting out a table full of supplies. My kiwi pistachio parfait is another easy option when I want a treat with crunchy pistachios.
Ingredients
Use a clear shot of the ingredients for this recipe, prepped, and labeled if necessary. Insert the ingredients into the list below, omitting quantities.
- unsalted butter
- dark brown sugar
- granulated sugar
- egg yolk
- vanilla extract
- all-purpose flour
- unsweetened cocoa powder
- baking soda
- kosher salt
- pistachio cream (or substitute)
- big candy eyes
Scroll down to the recipe card for quantities used.
Instructions
Preheat the Air Fryer to 325°F (163°C). If your Air Fryer is provided with a "bake" function, use this instead of the "Air Fryer" setting. Set to 10 minutes.
In a bowl using a hand mixer, mix butter, brown sugar, and granulated sugar until creamy.
Add the egg yolk and vanilla. Then continue mixing until smooth and emulsified.
Add half of the all-purpose flour, baking soda, and salt. Place a sieve over the bowl and add the cocoa powder, then gently tap until all the cocoa powder passed through the sieve.
Add the remaining flour and mix until just combined.
Scoop 1 tablespoon of the chocolate cookie mixture, packed and leveled, then form into a ball. Then gently place on a parchment-lined Air Fryer tray. Using the thick end of a wooden chopstick, slowly create a well at the center of each ball. Leave at least 2 inches of space on each cookie dough.
Air Fry for 8 to 10 minutes until the sides are crisp and set, while the center is still soft. Using the tip of an unused chopstick, lightly push the center where you made the original indentation before air frying, then allow the cookies to cool for 10 minutes.
Once the cookies are cooled, fill the hollowed center with ½ teaspoon of pistachio cream.
Top one big candy eye over the pistachio cream for the Halloween-themed monster cookies.
Tips
Top tip: Use softened butter. It should mix easily with the sugars but should not be melted.
- Measure flour carefully. Spoon it into the measuring cup and level it off to avoid a dry dough.
- Use softened butter. It should mix easily with the sugars but should not be melted.
- Stop mixing once the dough comes together. Overmixing can make the cookies less tender.
- Keep the cookies the same size. Use one packed, level tablespoon of dough per cookie so they cook evenly.
- Smooth any cracks after making the indent. This helps the edges hold together around the pistachio filling.
- Leave 2 inches between cookies. Work in batches so the air can circulate.
- Check at 8 minutes. Look for set edges and a soft center. Air fryer models vary, so the first batch will help you judge the timing.
- Refresh the indentation while the cookies are warm. Gently press the center with the thick end of a clean chopstick before the cookies firm up.
- Cool before decorating. Wait about 10 minutes before adding the pistachio cream and candy eye so the filling stays in place.
- Keep the filling modest. About ½ teaspoon of pistachio cream per cookie leaves room for the eye without overflowing.
Variations
- Swap the pistachio cream. Use chocolate hazelnut spread, creamy peanut butter, cookie butter, or thick vanilla frosting. Start with the same ½ teaspoon per cookie.
- Keep the green monster look. Tint vanilla frosting with a little green gel food coloring, then add one large candy eye.
- Use salted butter. Replace the unsalted butter with the same amount of salted butter and omit the added salt.
- Try light brown sugar. Substitute it in equal amounts for the dark brown sugar. The cookies will have a slightly milder molasses flavor.
- Change the chocolate flavor. Use dark cocoa powder for a deeper color and stronger chocolate flavor. Choose unsweetened cocoa, not hot chocolate mix.
- Make colorful monsters. Fill the centers with orange, purple, or green frosting. Mix the colors within the batch for a Halloween cookie platter.
- Add monster details. Place Halloween sprinkles around the filling or use a little icing to draw mouths and eyebrows.
- Switch up the eyes. Use two small candy eyes instead of one large eye, or make an eye with a white chocolate chip and a dot of dark decorating icing.
- Skip the Halloween decorations. Leave off the candy eyes and finish the pistachio cream with finely chopped pistachios for everyday chocolate thumbprint cookies.
Storage
Let the monster cookies cool completely before storing them so trapped moisture doesn't soften them.
- Room temperature: Keep them in an airtight container for 3 to 4 days, provided your pistachio cream's label allows room-temperature storage after opening. Store decorated cookies in a single layer to protect the candy eyes.
- Refrigerator: If the pistachio cream requires refrigeration, refrigerate the filled cookies in an airtight container and enjoy within 5 to 7 days. The candy eyes may bleed or soften from moisture.
- Freezer: Freeze the unfilled, undecorated cookies for up to 2 months. Separate layers with parchment paper, thaw in the closed container at room temperature, then add the pistachio cream and candy eyes.
For the best appearance and texture, store the plain cookies and decorate them shortly before serving.
FAQs
Yes! Chocolate hazelnut spread, creamy peanut butter, cookie butter, or thick frosting can replace the pistachio cream. For a green monster look, tint vanilla frosting with green gel food coloring.
Add the candy eyes after the cookies have cooled and you've filled the centers. Gently press each eye into the filling to hold it in place. Adding them before cooking can cause them to melt or lose their shape.
The cookies spread slightly as they cook, which can make the indentations shallower. Gently press the centers again with the thick end of a chopstick immediately after cooking, while the cookies are still soft. Let them cool before adding the filling.
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Recipe
Halloween Monster Cookies
Ingredients
- 4 tablespoons softened unsalted butter
- 4 tablespoons dark brown sugar packed
- 3 tablespoons granulated sugar
- 1 large egg yolk
- ½ teaspoon vanilla extract
- ½ all-purpose flour pre-sifted
- ¼ cup unsweetened cocoa powder
- ¼ teaspoon baking soda
- ⅛ teaspoon kosher salt
TOPPINGS:
- pistachio cream see notes
- big candy eyes
Instructions
- Preheat the Air Fryer to 325°F (163°C). If your Air Fryer is provided with a "bake" function, use this instead of the "Air Fryer" setting. Set to 10 minutes.
- In a bowl using a hand mixer, mix butter, brown sugar, and granulated sugar until creamy.
- Add the egg yolk and vanilla. Then continue mixing until smooth and emulsified.
- Add half of the all-purpose flour, baking soda, and salt. Place a sieve over the bowl and add the cocoa powder, then gently tap until all the cocoa powder passed through the sieve. Add the remaining flour and mix until just combined.
- Scoop 1 tablespoon of the chocolate cookie mixture, packed and leveled, then form into a ball. Then gently place on a parchment-lined Air Fryer tray. Using the thick end of a wooden chopstick, slowly create a well at the center of each ball.
- Slowly insert the Air Fryer tray into the middle cooking chamber, near the rotisserie catch.
- If using an Air Fryer basket, add parchment paper over the crisper plate and scoop the chocolate cookie mixture into a ball, then follow the instructions accordingly.
- Leave at least 2 inches of space on each cookie dough.
- Air Fry for 8 to 10 minutes until the sides are crisp and set, while the center is still soft.
- Using the tip of an unused chopstick, lightly push the center where you made the original indentation before air frying, then allow the cookies to cool for 10 minutes.
- Once the cookies are cooled, fill the hollowed center with ½ teaspoon of pistachio cream and enjoy.
- For Halloween-themed thumbprint cookies, top one big candy eye over the pistachio cream.
- Do the same for the rest of the chocolate cookie dough.
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