Spooky Peanut Butter Spider Cookies – The Cutest Halloween Treat!

Posted on August 14, 2025

by: Betty Thompson

Halloween peanut butter cookies decorated as chocolate spiders with candy eyes, pumpkins, and festive candies.

Halloween just got creepily delicious! These Peanut Butter Spider Cookies are soft, chewy, and decorated with mini Reese’s cups, candy eyes, and chocolate spider legs for a fun and festive treat everyone will love. Perfect for spooky parties or just a sweet October afternoon.

Prep Time: 15 min
Cook Time: 10 min
Total Time: 25 min
Yield: 30 cookies


Ingredients

  • 1 ¾ cup (218 g) all-purpose flour
  • 1 teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup (100 g) granulated sugar, plus extra for rolling
  • ½ cup (100 g) light brown sugar
  • ½ cup (128 g) no-stir creamy peanut butter (like Skippy Natural)
  • ½ cup (113 g / 1 stick) unsalted butter, room temperature
  • 1 large egg, room temperature
  • 1 teaspoon pure vanilla extract
  • 30 mini Reese’s cups, unwrapped
  • ¼ cup chocolate chips
  • Candy eyes

Step-by-Step Instructions

1️⃣ Prep & Mix
Preheat your oven to 375°F. Line a baking sheet with parchment paper. In a medium bowl, whisk together flour, baking soda, and salt.

2️⃣ Cream the Base
In a stand mixer (or large bowl with a hand mixer), beat granulated sugar, brown sugar, peanut butter, and butter until light and fluffy (about 2 min). Scrape sides as needed. Add egg and vanilla, mixing just until combined.

3️⃣ Form the Dough
Gradually mix in the dry ingredients. Scoop dough into 1-inch balls, roll in sugar, and place 1½ inches apart on the baking sheet.

4️⃣ Bake & Shape
Bake 10 minutes until lightly golden. Cool for 3 minutes, then press a Reese’s cup into the center of each cookie. Transfer to a wire rack to finish cooling.

5️⃣ Spider Magic
Melt chocolate chips in the microwave (50% power, stir every 15 sec). Transfer to a small baggie, snip a tiny corner, and pipe eight little legs around each Reese’s. Dab chocolate on candy eyes and stick them in place. Let chocolate set before serving.

Spooky-cute Halloween cookies decorated as chocolate spiders with candy eyes, perfect for festive treats and parties.

Pro Tips

  • Chill Dough in Warm Climates → Prevents spreading.
  • Candy Eyes → Available at most grocery or craft stores.
  • Storage → Airtight container, room temp, up to 5 days.

Nutrition

  • Calories: 152
  • Protein: 3g
  • Carbs: 18g
  • Sugar: 12g
  • Fat: 8g
  • Fiber: 1g

Flavor Experiments

  • Swap Reese’s for chocolate truffles for an extra indulgent spider.
  • Add a pinch of cinnamon to the dough for a cozy fall flavor.
  • Drizzle with white chocolate “webs” for extra Halloween flair.

🧊 Make It Once, Eat It All Week

  • Fridge: Store in an airtight container for up to 5 days.
  • Freeze Dough: Shape, roll in sugar, freeze on a tray, then store in bags for up to 3 months.
  • Reheat: Microwave 10 sec or toast lightly for fresh-from-oven feel.

❌ Learn From My Mistakes

Once, I piped the spider legs before the cookies fully cooled… and ended up with slouchy melted spiders. Let them cool first unless you want “spider puddles.”

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