Mud Hen Bars
Updated June 02, 2020
These sweet Mud Hen dessert bars are perfect for potlucks and parties! Everyone loves them!

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Pin ItI was looking for a bar treat to make for a party and stumbled across a recipe for Mud Hen Bars. The bars have a cookie crust and are topped with marshmallows and chocolate chips. Wait, there is more! The bars also have a brown sugar meringue topping. I wasnโt sure where the โMud Henโ name came from, but I didnโt care. I was going to make the bars anyways.
First, you make a basic cookie dough crust and top it with mini marshmallows and chocolate chips. You can add chopped nuts, but I left them out since Josh is allergic and I really donโt care for nuts in my cookies and bar treats.
Next, you beat the egg whites until they form stiff peaks and gently fold in the brown sugar.
You cover the bars with the meringue topping and bake for about 30 minutes. And then you impatiently wait for the bars to cool so you can can cut and devour them. Oh wait, these were for a party so I couldnโt devour them all, but I did sneak a taste. I loved the cookie base, but the best part of these bars is the brown sugar meringue topping. The topping is sweet, crackly, and melts in your mouth.
Everyone at the party loved these bars and wanted the recipe. When I told them they were Mud Hen Bars, they looked confused. I told them not to worry because I donโt know why they are called Mud Hen Bars either:) I still have no idea, but I donโt really care. All I know is that these bars are super duper delicious and that is all that matters to me!
More Bar Recipes
- Chocolate Chip Cookie Bars
- Peanut Butter Sโmores Bars
- Brown Butter Banana Chocolate Chip Bars
- One Bowl Blondies
Mud Hen Bars
Ingredients
- 1/2 cup butter, at room temperature
- 1 cup granulated sugar
- 3 large eggs, divided (1 egg, 2 yolks, and 2 egg whites)
- 1 teaspoon vanilla extract
- 1 1/2 cups all-purpose flour
- 1 teaspoon baking powder
- 1/4 teaspoon salt
- 1/2 cup semi-sweet chocolate chips
- 1 cup mini marshmallows
- 1 cup chopped nuts (I left these out)
- 1 cup light brown sugar
Instructions
- Preheat oven to 350 degrees F. Grease a 9ร13 pan and set aside.
- In the bowl of a stand mixer, beat together butter and granulated sugar until creamy. Beat in 1 whole egg and 2 egg yolks (put aside the whites for later.) Beat in the vanilla extract.
- In a separate medium bowl, whisk together the flour, salt, and baking powder. Add the dry ingredients to the wet ingredients. Blend until just combined. Spread mixture into 9ร13โณ pan. Sprinkle with marshmallows, chocolate chips, and nuts-if using.
- Beat egg whites until stiff peaks form. Gently fold in the brown sugar. Spread mixture evenly over marshmallows and chocolate chips. Bake for about 30 minutes or until bars are a deep golden brown. Let bars cool completely. Cut into squares and serve.
Nutrition
Have you tried this recipe?
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If you like these Mud Hen Bars, you might also like:
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- Chocolate Chip Cookie Bars from Two Peas and Their Pod
I gained five pounds just looking at the pics! Thanks Peas! Ummm I think?
Maria, how many bars did you cut these into? I am thinking about taking them to a cookie swap, but I am not sure how tiny they can be and still be โenoughโ if that makes sense. Thanks for sharing the recipe and all your pictures/directions. I am looking forward to trying them!
It makes a 9ร13 pan. You can cut them really big for 12-16 servings or small for 24. Just depends on how big you want the pieces:)
This recipe has been around for quite awhile โ my grandmother(back in the 50โs) made them quite often, but without the chips and marshmallows.
I live in Toledo, OH and we have a minor league baseball team named the MudHens! I am so going to make these bars on opening day!! Wait โ I donโt think I can make it till April! May have to make a test batch!! They look so YUMMY!!! Thanks! Pinning the recipe right now!!!
Thanks Amy! Enjoy the bars!
These were delicious and fun to make. I made them for a party I went to and everyone absolutely loved them. I wonder if you could make them with a brownie bottom too?
Grew up eating Mud Hens in Upper Michigan. Grandmaโs had nuts instead of choc and mโmallows, then coconut in the meringue. Super yummyโฆโฆ
Just made these โ they smell great. ๐ (And the dough tastes pretty good too!)
Thanks for a fantastic recipe. My daughter made these onteh weekend and they were amazing!
http://www.aspoonfulofsugardesigns.com/2012/08/mud-hen-bars.html
I made them and they turned out fine. I wasnโt overly impressed by them though. Probably would give them a 6 out of 10.
what do you think makes them taste better, marshmallows or choc chips?
The Toledo Mud Hens are a minor league baseball team affiliated with the Detroit Tigers. Iโm a big fan. Iโll definitely make these for opening day! ๐
Well that was absolutely NO successโฆ.too bad.
My daughter served these bars to our family at lunch today. Yes, I asked her to repeat the name โMud Hen Barsโ several times. We all loved them. They have just the right combo of brown sugar chocolate chewiness that makes it hard to stop eating them!
Perfect for opening day http://www.milb.com/index.jsp?sid=t512
Butterscotch Chips and Pecans that were chopped fine and Marshmallows and we LOVED them. We may try again with Dark Chocolate Chips and Marshmallows since we do not care much for milk chocolate. As it is, the ones I made with Chopped Pecans, Butterscotch Chips and Marshmallows did not last very long so will definitely make a double Batch next time.
I have made these for years using only butterscotch chips. They are to die for.
Just made these tonightโฆwanted to make something different for the fam. Honestly, these are pretty bad. The ingredients just dont go well together. The โcrustโ is super bland with a unimpressive textureโฆmore shortbread-like would have been tastier and better mouthfeel. The rest of the concoction was wayyy to sweetโฆholy moly! You would think the flavors of the crust and top would balance each other but they are just kinda gross together, and kinda gross separately. My four boys and husband will hoover just about everything I bake, but these were sadly an epic fail.
I believe this recipe did come from Toledo, home to the Mud Hens. Many, many years ago, the recipe was published in the Toledo Blade, and weโve been making them ever since!
I made this for a ladies gathering. I was nervous since I had never made it before but everyone loved it so much that I was only able to try the leftover crumbs. Will be making it again. Thanks for a great recipe
I had these 20 years ago, and have been looking for the recipe ever since! I had thought they were some type of sโmore bar, so I could never never find them. So very happy to have found this!! Thank you!!
Will these keep for a few days? If soโฆhow would you store them? Iโm unsure what happens to the meringue.