Monster Leprechaun Cookies

Are you ready for another St. Patrick’s Day Recipe??!! These easy cookies are perfect for celebrating all things Irish!

St. Patrick's Day Cookies!! Try these Monster Leprechaun Cookies. If you love Biscoff spread & M&M's, you NEED to make these cookies!!

Top of the mornin’ to you!  I’m Deb from Cooking on the Front Burner and excited to be sharing a guest post today for Meghan as she is on vacation.  As you (and I) all know, Meghan has some very tasty recipes and I was trying to decide what her readers might like and with St. Patty’s Day just around the corner, I decided on these Monster Leprechaun Cookies.

I love to bake and make some tasty treats but I shouldn’t always be eating all the treats – that’s where my husband, aka The DIY Guy, comes in.  Of course he is always willing to sample everything but his co-workers often (if not all the time) benefit as well!  It’s a win-win situation for us all!

What I especially love about these cookies are once you have the base, you can change them up for any holiday by substituting the colored M&Ms.  I’ve made some similar ones for Valentine’s Day with the white, pink and red ones.

St. Patrick's Day Cookies!! Try these Monster Leprechaun Cookies. If you love Biscoff spread & M&M's, you NEED to make these cookies!!


Monster Leprechaun Cookies


by Deb Attinella
Prep Time: 15
Cook Time: 10 minutes


Ingredients (4 1/2 dozen)
  • 1 cup peanut butter
  • 1/2 cup biscoff cookie spread (or 1 1/2 cups peanut butter)
  • 1 cup packed light brown sugar
  • 1 cup sugar
  • 1 stick soft butter
  • 3 large eggs
  • 1 tablespoon vanilla extract
  • 4 1/2 cups quick oats
  • 2 teaspoons baking soda
  • 1 cup chocolate chips
  • 1 cups M&M’s (your favorite colors)
  1. Preheat oven to 350 and line cookie sheets with parchment paper
  2. Combine the peanut butter, biscoff, brown sugar, sugar and butter in a large bowl and beat until well combined.
  3. Mix in vanilla and eggs
  4. Stir in the oats and baking soda
  5. Add chocolate chips and M&MS – mix well but gently
  6. Drop 2 tablespoons of dough onto sheets and if desired, add a few M&Ms on top (I did)
  7. Bake for 10 minutes then cool for 5 minutes; transfer to wire rack to cool completely
  8. Store in airtight container
  9. Note: cookies won’t appear done after 10 minutes but they are and set up – you don’t want to overbake them
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Another new find of mine – though not new – is Biscoff Cookie Spread.   Yep, I’m probably the last person on the planet to have discovered this addicting product.  A couple other of my blogger friends use it so when I saw a jar in World Market, I knew I had to give it try.  When making these cookies for the first time, I ran out of peanut butter so I did a quick substitution.  Loved it and haven’t looked back!

St. Patrick's Day Cookies!! Try these Monster Leprechaun Cookies. If you love Biscoff spread & M&M's, you NEED to make these cookies!!

Thanks so much Meghan for having me – I just love your recipes and was happy to be here today!! Happy St. Patty’s day all!! Feel free to pop over to see me and let me know if you will be giving these a try.


22 Responses

  1. Jelli says

    These look so good, Meghan! I can’t wait to fly stateside to visit family this summer and FINALLY try Biscoff spread. It sounds beyond amazing! Thanks for sharing.
    Jelli recently posted…Cream Cheese Pound Cake CupcakesMy Profile

  2. Lori Who Needs A Cape? says

    How cute & fun, pinning right now :)
    Lori Who Needs A Cape? recently posted…Orange Dirty ShirleyMy Profile

  3. Elizabeth @ Confessions of a Baking Queen says

    Never look back from Biscoff!! The best spread EVER!! Can I take one tray of these cookies please?!?!
    Elizabeth @ Confessions of a Baking Queen recently posted…Cookie Butter Chocolate Chip Cheesecake BarsMy Profile

  4. Zainab @ Blahnik Baker says

    Oh I know I love these cookies already! I am a huge fan of cookie butter and go through jars by the month. Love the green and white M&Ms!! Great cookies Deb!!
    Zainab @ Blahnik Baker recently posted…Blood Orange Walnut MacaronsMy Profile

  5. Ashley | Spoonful of Flavor says

    Always yes to cookies! And these are so fun and festive, Deb! I hope that you had a great time on vacation, Meghan!
    Ashley | Spoonful of Flavor recently posted…Chocolate Bundt CakeMy Profile

  6. Carrie @Frugal Foodie Mama says

    Well, you pretty much already know how I feel about Biscoff, so yeah… ;) lol!
    Carrie @Frugal Foodie Mama recently posted…Skinny German Chocolate Ice CreamMy Profile

  7. Lisa@ Cooking with Curls says

    Oh wow, I seriously need a dozen of those cookies in my life….like now!! They look delicious Deb. :)
    Lisa@ Cooking with Curls recently posted…Passion Tea Lemonade CocktailMy Profile

  8. Claire @ A Little Claireification says

    I need about TWELVE of these right now, Deb. I’ll just wait here… ;) Pinned!!
    Claire @ A Little Claireification recently posted…A Photo A Day | Mama Musings & An InvitationMy Profile

  9. Cindy Eikenberg says

    Deb and Meghan, wow, these cookies look great and this is treat everyone would love – for St. Patrick’s Day or ANY day! Deb, thanks for sharing and pinning!
    Cindy Eikenberg recently posted…Spring Pom-Pom TopiariesMy Profile

  10. Emily @ It Bakes Me Happy says

    Oh my Deb they look amazing!
    Emily @ It Bakes Me Happy recently posted…6 Smoothies to Enjoy on the GoMy Profile


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