M&M skillet cookie

This M&M skillet cookie is made in one pan – no additional bowls or pans needed!

M&Ms skillet cookie

One Thursday, I attended a volunteer event in the morning. Several of my teammates and I went downtown to help prepare meals at our local food bank. After we finished, we went and grabbed lunch at a nearby restaurant. I returned home to work and had about 30 minutes before my in-laws were coming into town.

M&Ms skillet cookie

Life has been chaotic recently so I haven’t been baking. Needless to say, I did not have any desserts ready for my in-laws’ arrival. Since skillet cookies are very quick to put together, I decided to make one with M&Ms. I put the batter together in about 15 minutes and popped it into the oven.

My in-laws arrived and my M&M skillet cookie had about 5 minutes left to bake. I was able to take it out of the oven and allow it to cool while they unpacked some of their stuff.

M&Ms skillet cookie

I love how quickly this dessert came together. Thankfully, it only required pantry ingredients so I didn’t need to buy anything special. We all loved how the exterior of the cookie was nice and crisp and that the inside was just a tad bit gooey. And it was a wonderful cookie that we got to share after dinner. Well, some of us snacked on it throughout the day, but I’m not telling who!

M&Ms skillet cookie

This one skillet cookie is actually made in the cast iron pan. No need for additional bowls!
Prep Time15 minutes
Cook Time25 minutes
Total Time40 minutes
Course: Dessert
Cuisine: American
Keyword: Cookies
Servings: 8
Author: Eva Bakes


  • 1 cup (2 sticks) unsalted butter
  • 1 cup brown sugar
  • 1/2 cup granulated sugar
  • 2 eggs
  • 1 teaspoon vanilla extract
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 2 cups plus 2 Tablespoons and 1/4 cups all-purpose flour
  • 1 and 1/2 cups M&Ms


  • Preheat your oven to 325 degrees F.
  • Melt the 2 sticks of butter directly in your cast iron skillet over medium heat. Allow it to melt completely and slowly bubble.
  • Turn the heat to low and add in the sugars. Mix well until uniform.
  • Turn the heat off and take the cast iron pan off the stove. Add in the eggs and vanilla and mix well.
  • Add the baking soda, salt and flour and mix well. Fold in the M&Ms.
  • Bake in your preheated oven for 25-35 minutes or until golden brown. Top with additional M&Ms for a prettier presentation. Allow to cool slightly before serving (preferably with a scoop of ice cream).


Leftovers should be stored, covered, at room temperature and will keep for several days.
Source: Bless This Mess

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