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Halloween Monster Cookies Recipe
Ash Tyrrell

Halloween Monster Cookies Recipe

I still remember the first time I pulled a tray of these Halloween monster cookies out of the oven and watched my kitchen turn into a mini candy explosion. I wanted something colorful, a little silly, and easy enough that my kids could help without me stressing over the mess.
Prep Time 25 minutes
Cook Time 10 minutes

Ingredients
  

  • 2 3/4 cups all-purpose flour – gives the cookies their soft chewy structure, so measure with a spoon-and-level method for accuracy
  • 1 teaspoon baking soda – helps the cookies spread just enough without going flat
  • 1/2 teaspoon baking powder – adds a touch of lift for that classic sugar cookie thickness
  • 1/2 teaspoon salt – balances the sweetness and rounds out the flavor
  • 3/4 cup unsalted butter softened – softened (not melted) butter is key for a tender, chewy bite
  • 1 1/4 cups granulated sugar – creaming it well with butter builds a light fluffy base
  • 1 large egg – binds everything together and adds richness
  • 1 teaspoon vanilla extract – a little pure vanilla makes the flavor taste homemade
  • Purple orange, and green gel food coloring – gel colors give bold, vivid hues without thinning out the dough
  • 1 cup mini M&M's – the classic candy crunch that makes these feel like a true monster mash cookie
  • Candy eyeballs as needed – press them in right after baking while the dough is still soft and warm

Method
 

  1. In a medium bowl, whisk together the flour, baking soda, baking powder, and salt. Whisking first helps distribute the leavening evenly through the flour. Set this bowl aside while you work on the wet ingredients so everything is ready to combine quickly.
  2. Beat the softened butter and sugar together for a full two to three minutes until it turns pale and fluffy. This step is where a lot of the cookie's chewy texture comes from, so don't rush it. Scrape down the bowl halfway through for an even mix.
  3. Mix in the egg and vanilla extract until fully combined and smooth. The batter should look glossy and slightly thickened at this stage. This is also when the dough starts smelling like a proper bakery.
  4. Add the flour mixture in two batches, mixing on low speed just until combined. Overmixing here can make your cookies tough instead of soft, so stop as soon as the flour disappears. The dough will look thick and slightly sticky, which is exactly right.
  5. Split the dough into three equal portions and knead a different gel food color into each one, purple, orange, and green. Wearing food-safe gloves keeps your hands from turning into a monster's hands too. You can keep the colors separate or twist them together for a marbled look.
  6. Wrap each colored portion and refrigerate for at least 30 minutes. Chilling firms up the butter so the cookies hold their shape and bake up thicker instead of spreading thin. This is an easy step to skip, but I really don't recommend it.
  7. Once chilled, scoop the dough into balls and gently press a few mini M&M's into the top of each one. Doing this before baking lets the candy sink in slightly as the cookie spreads. Space the dough balls about two inches apart on your lined baking sheet.
  8. Bake at 350°F for 9 to 11 minutes, just until the edges look set but the centers still appear soft. The cookies will continue cooking slightly on the hot pan after you pull them out. This carryover baking is what keeps the centers so wonderfully chewy.
  9. While the cookies are still warm, press candy eyeballs onto each one so they stick into the soft surface. Waiting too long makes the eyes fall right off once the cookie firms up. Let the cookies cool completely on a wire rack before serving or storing.

Notes

  • I always chill my dough for a full 30 minutes because it keeps the cookies from spreading into thin, greasy puddles.
  • I use a kitchen scale to measure my flour since scooping straight from the bag made my early batches too dense.
  • I like pressing the candy eyes on right when the cookies come out of the oven, not after they've cooled.
  • I slightly underbake mine by a minute because they firm up perfectly as they sit on the warm pan.
  • I keep my gel food coloring separate from liquid coloring since liquid tends to water down my dough.