Halloween 7 Layer Bars

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These Halloween Layer Bars are a gooey, over-the-top treat loaded with chocolate chip cookie dough, Halloween Oreos, M&Ms, Reese’s Pieces, candy corn and plenty of festive sprinkles.

They’re easy to throw together, packed with chocolate and candy in every bite, and perfect for Halloween parties, bake sales or using up that trick-or-treat stash.

Why This Recipe is a Winner!

• Starts with store-bought cookie dough – No need to make a cookie base from scratch, keeping prep quick and easy.
• Only 15 minutes of prep – These bars look impressive without requiring hours in the kitchen.
• Festive without complicated decorating – Halloween candies and sprinkles instantly give these bars a fun spooky-season look.
• Great for feeding a crowd – One 9x13-inch pan makes 15 generous bars.
• Perfect party dessert – They’re easy to slice, serve and grab from a Halloween dessert table.
• Great for bake sales and potlucks – The colorful candy topping makes them stand out on any dessert spread.
• Easy to customize – Swap in your favorite Halloween candies or whatever you have in the pantry.

Ingredients You'll Need

• 16 ounces store bought chocolate chip cookie dough
• 16 Halloween Oreo cookies, chopped, divided
• 1 cup semi-sweet chocolate chips, divided
• 1 cup Halloween M&Ms, divided
• 14 ounces sweetened condensed milk
• ¼ cup Reese's pieces
• ½ cup candy corn
• 2 tbsp. Halloween sprinkles

Printable Recipe Card with a Full List of Ingredients and Instructions is Located at the Bottom of the Post.

Be sure to read through the entire post so that you don't miss out on any important tips and tricks!

Step By Step Instructions

 STEP 1: 

I lined a 9 x 13 inch baking dish with parchment paper and then pressed store bought cookie dough into the bottom of the dish.

 STEP 2: 

I baked the cookie dough for 15 minutes and then removed the dish from the oven.

 STEP 3: 

I sprinkled chopped Oreos, chocolate chips and M&Ms over the cookie dough.

 STEP 4: 

I poured sweetened condensed milk over top and then added additional chopped Oreos, chocolate chips, M&Ms and Reese's Pieces.

 STEP 5: 

I returned the dish to the oven for 25 minutes.

I allowed the bars to cool for a few minutes and then sprinkled candy corn and Halloween sprinkles on top.

I allowed the bars to cool completely before slicing.

These Halloween Layer Bars are chewy, gooey and downright decadent, with crunchy Oreos, melty chocolate and plenty of candy packed into every bite.

The combination of buttery cookie dough, rich chocolate and sweet candy corn makes it nearly impossible to stop at just one square.

If you are looking for a decadent and festive Halloween dessert recipe, then you need to try these Halloween 7 Layer Bars!

Frequently Asked Questions

Can I make Halloween 7 Layer Bars ahead of time?

• Yes! These bars are a great make-ahead Halloween dessert. Prepare and bake them up to 2 days before serving, then store them in an airtight container.

Do I need to refrigerate Halloween Layer Bars?

• No. Once completely cooled, the bars can be stored in an airtight container at room temperature for about 3–4 days.

Why do I need to let the bars cool completely before cutting them?

• The layers are very soft and gooey while warm. Cooling allows everything to set so you can cut the bars into neat squares without them falling apart.

Why is the candy corn added after baking?

• Candy corn can melt and lose its shape in the oven. Adding it shortly after the bars come out keeps those recognizable orange, yellow and white pieces intact.

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