Peanut Butter Spider Cookies

An icon representing a clock 40 min | easy
Review

Introduction

These peanut butter spider cookies are chewy, salty-sweet peanut butter rounds crowned with mini peanut butter cups and pretzel-stick legs, basically PB blossoms with a Halloween glow-up.

Perfect for Halloween parties, school treat boxes, or a bake sale, they are easy to assemble, kid-approved, and give you that crunchy-chewy bite without any fussy piping.

Ingredients  (24 servings)

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For the Cookies:

  • ½ cup unsalted butter, softened
  • ½ cup granulated sugar
  • ½ cup brown sugar, packed
  • 1 large egg
  • ¾ cup creamy peanut butter
  • 1 tsp pure vanilla extract
  • 1½ cups all-purpose flour
  • ½ tsp baking soda
  • ¼ tsp salt

For Spider Assembly

  • 1 bag pretzel sticks
  • 1 bag miniature peanut butter cups
Peanut Butter Spider Cookies

How to Make Peanut Butter Spider Cookies

  1. Preheat and prep pans

    Preheat the oven to 350°F (177°C) and line two baking sheets with parchment for easy release and even browning.

  2. Cream butter and sugars

    In a large bowl, beat softened butter with granulated and brown sugars until light and fluffy, about 2 minutes for that soft-chewy texture we want.

  3. Add egg, peanut butter, and vanilla

    Beat in the egg, peanut butter, and vanilla until smooth and glossy, scraping the bowl so nothing hides on the sides.

  4. Combine dry ingredients

    Whisk flour, baking soda, and salt in a separate bowl, then add to the wet mixture and mix on low just until the flour disappears to avoid tough cookies.

  5. Scoop and space

    Scoop 1 tablespoon portions, roll into balls for tidy edges, and space them 2 inches apart on the prepared sheets so they bake evenly.

  6. Bake

    Bake for 9 to 11 minutes until the edges look set and the centers are still slightly puffy because they will finish setting on the sheet.

  7. Create a seat for the spider body

    Let cookies rest 2 minutes, then use the back of a teaspoon to make a shallow indent in the center so the candy sits securely.

  8. Attach peanut butter cup bodies

    Press a mini peanut butter cup upside down into each warm indent so the chocolate softens and adheres without melting into a puddle.

  9. Insert pretzel legs

    Snap pretzel sticks into short pieces and gently push four pieces per side into the warm cookie near the candy body for eight legs total.

  10. Set and cool

    Let cookies cool on the sheet 5 minutes to lock the legs in place, then transfer to a rack to cool completely so the spiders travel safely.

Peanut Butter Spider Cookies

Substitutions

Peanut butter -> Sunflower seed butter
For a nut-free option with a similar beige color and body, use creamy sunflower seed butter, which bakes up soft and slightly roasty without losing that classic chew.
Mini peanut butter cups -> Mini Rolos or dark chocolate caramels
Swap to similarly dark brown candies so the spider body reads the same, giving a fudgy caramel center and a clean silhouette that holds up on warm cookies.
All-purpose flour -> 1:1 gluten-free baking flour
Use a cup-for-cup gluten-free blend and pair with gluten-free pretzel sticks to keep the same look, yielding a tender crumb that benefits from a 10 minute dough rest before scooping.

Tips

Chill the candy
Pop the mini peanut butter cups in the fridge while you bake so they keep sharp edges when pressed onto warm cookies.
Make clean pretzel legs
Use a sharp knife to cut pretzels at a slight angle for pointy ends that slide into the cookie without cracking it.
Measure flour right
Spoon and level the flour or use 180 g, since overpacking flour is the fastest way to dry, cakey cookies.
Underbake slightly
Pull the cookies when the edges are set but the centers look a touch soft so they stay chewy after cooling.
Create pilot holes
If your kitchen runs cool, use a skewer to poke leg holes the moment the tray comes out so insertion is effortless.
Work in batches
Assemble spiders 6 cookies at a time so they are warm enough to grip the candy and legs without rushing.

Nutrition Facts *

Energy 210 kcal
Protein 5 g
Total Fat 10 g
Carbohydrates 27 g
Dietary Fiber 1 g

* Approximate, per serving.
Data source: USDA FoodData Central.

FAQ

My cookies spread too much, what happened?
The butter was likely too warm or the dough was overmixed; chill the scooped dough 15 minutes, bake on cool sheets, and if needed add 1 to 2 tablespoons flour to the next batch.
The dough is crumbly and dry, how do I fix it?
You probably added too much flour, so mix in 1 tablespoon peanut butter or 1 to 2 teaspoons milk until it clumps and rolls smoothly.
The pretzel legs keep falling out, how do I secure them?
Insert legs while the cookies are still warm, angle them slightly upward into the crumb, and make tiny pilot holes with a skewer if the surface has cooled.
Can I make these ahead or freeze them?
Freeze dough balls on a sheet, then bag and bake from frozen adding 1 to 2 minutes; assemble spiders after baking because pretzels soften in the freezer.
Can I use crunchy peanut butter?
Yes, but reduce the flour by 1 tablespoon to offset the nut pieces and mix just until combined so the texture stays tender.
How do I keep the cookies soft for days?
Store airtight at room temperature with a small piece of sandwich bread in the container, swapping the bread daily to maintain moisture.

Serving Suggestions

Serve these with cold milk for the kids and a cappuccino for the grown-ups, because that salty-sweet peanut vibe loves a creamy sip.

If you want extra drama, dust a little cocoa around the edges for a spooky shadow and plate them on a dark slate so those spider bodies pop like a Broadway headliner.

More pairings:

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