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Home » Halloween

Swamp Monsters

Modified: May 23, 2025 · Published: Sep 30, 2009 by Anna · This post may contain affiliate links · 9 Comments

Swamp Monsters are no-bake cookies made with Reese's Peanut Butter Puffs cereal. I came up with the recipe years ago for a General Mills promotion. Without the marshmallow and chocolate chip eyes, these are just crunchy/chewy cereal cookies.

Swamp Monsters

Peanut Butter Swamp Monsters

Butter or cooking spray for greasing
1 ½ tablespoons butter
2 ½ cups miniature marshmallows
1 ½ tablespoons creamy peanut butter
5 cups Reese’s Puffs cereal
24 chocolate chips
24 miniature marshmallows

Rub 12 muffin cups with butter or spray with cooking spray.

Microwave 1 ½ T. butter in a large microwave-safe mixing bowl for 30 seconds. Add marshmallows and heat for another minute on high to melt marshmallows. Add peanut butter and stir until smooth. Add cereal and stir to coat with marshmallow mixture.

Spoon mixture into muffin cups, dividing evenly and pressing tightly into cups with buttered fingers. Chill for about a half hour, then carefully remove from muffin cups by loosening with a knife and lifting.

Make eyes. Mash 24 mini marshmallows to make flat circles. Dab a little peanut butter on the flat end of a chocolate chip and adhere each chocolate chip to a marshmallow. Press eyes into the cereal balls, using a little peanut butter if necessary to adhere.

You can serve these little guys on a tray, or grind up more Reese’s Puffs and set them on ground cereal so they look like they’re sitting in dirt

Makes 12

Variation: Stick banana chips on their heads for ears, red Trix or M&Ms below the eyes for a mouth, a string of licorice for the tail and you have Swamp Mice.

More Halloween Recipes Archive

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  • pumpkin spice blondie cookie bars
    Pumpkin Spice Blondie Cookie Bars
  • Pumpkin Chocolate Chunk Cookies
    Iced Pumpkin Chocolate Chunk Cookies
  • white chocolate covered oatmeal cream pies
    Halloween Decorated Oatmeal Creme Pies

Comments

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  1. melissa says

    October 02, 2009 at 9:29 am

    Looks like so much fun! I'll have to show Jamie when he comes home from school. Unfortunately, we don't have as big a selection of cereal as you do!

  2. bakingblonde says

    October 02, 2009 at 6:50 am

    Love your entries! Wish I had time to make some.

  3. Mimi says

    October 01, 2009 at 10:13 am

    Those little swamp monsters are too cute. Looks like I know what the grandkids and I will be making when they are here for their next sleepover. I always try to find something fun for us to do in case the weather is bad - and this fits the bill☺

  4. HeartofGlass says

    October 01, 2009 at 6:40 am

    Agh! I'm scared! The eyes, the eyes are watching me!

    Just kidding--but it reminds me of an Amy Sedaris contest, where she challenged people to put googly eyes on various types of foods. It's funny how it makes food look 'human.'

  5. Celia says

    September 30, 2009 at 6:42 pm

    Corgis rule!!!

  6. VeggieGirl says

    September 30, 2009 at 5:21 pm

    CUUUUTE!! I especially love the swamp monsters 😀

  7. Sue says

    September 30, 2009 at 4:33 pm

    The photo of Fuzz is adorable. 🙂
    The treats look tasty and fun! Good luck with your entries!

  8. Mimi says

    September 30, 2009 at 4:23 pm

    I have to agree they are spooktacular! Looks like fun eating.
    Mimi

  9. sherri says

    September 30, 2009 at 4:05 pm

    Adorable swamp monsters. They sound delicious too!

Peanut Butter Fudge Jumbles recipe baked in a 9-inch square Pampered Chef stoneware pan.

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