These Easiest Fudgy Thin Mint Brownies are made with a boxed mix with just a few added ingredients, including delicious Thin Mint Cookies, then frosted to perfection with a creamy mint icing. These are perfect for anytime, but especially for St. Patrick’s Day!
With St. Patrick’s Day in just a few days, I thought I’d share a fun and very yummy green-themed dessert to make! I just love mint and chocolate together, don’t you? I enjoy mint desserts all throughout the year, but I think of them and dream of them all the more when St. Patty’s Day rolls around. I’ll be sure to wear my green this Sunday! My kids won’t let me forget, or if I do, they’ll be pinching me all day. 🙂
We always love to make these incredible St. Patrick’s Day Cupcakes on the Lucky Day. And the kids will of course be making their leprechaun traps the night before and setting them out in the hopes of catching the tricky leprechaun! I can’t wait to see what ideas and designs they come up with this year for capturing the little guys. And then I’m sure everyone will be begging to eat green eggs for breakfast, although I won’t be participating in that activity, haha.
I will definitely be enjoying some more of these phenomenal Fudgy Thin Mint Brownies again, though! I can’t get enough of them! They start with a boxed mix and then, after adding just a little milk, vegetable oil, an egg, you get the tastiest brownies ever! But they wouldn’t be complete without the delightful Thin Mint Cookies! Add a layer of whole cookies to the bottom of the pan before spreading your brownie batter on. Then, sprinkle with additional crushed Thin Mint Cookies and bake just until set.
Next, make a simple mint frosting by mixing together some powdered sugar, melted butter, peppermint extract, milk, and green food coloring. Then, sprinkle some more crushed Thin Mints on top for good measure. Trust me, you’ll be glad you did. Then you’ll have one very incredible brownie that you won’t want to share with anyone else, No, you’ll want to keep all of these to yourself because they are that good!
I always look forward to the time of year when the Girl Scouts come around selling their cookies. The Thin Mints are my favorite! I purchased an embarrassing amount of boxes this year, ha! But I just can’t help myself. My family eats them by the sleeve and they only come around once a year, so I’ve got to take advantage of it while I can!
If you’re a brownie lover like me, you’ll want to also try these Copycat Cosmic Brownies and these excellent Frosted Brownies and these Easter Cadbury Mini Egg Brownies! What can I say? I’m brownie obsessed! You are sure to enjoy any of these recipes, if you want to bake your way down the brownie list.
Just look at that fudgy bite! I can’t wait for you to try these Easiest Thin Mint Brownies! If you want to go the homemade route, be sure to try these Thin Mint Brownies. There’s times when a boxed mix is in order and other times when you just want to make them from scratch. I get it. I personally love brownies from the box. And I love a good homemade version too.
If you want the frosting to be thinner, more like a glaze or drizzle, add more milk. If you want it to be on the thicker side, add less milk. I always add the milk a Tablespoon at a time, mixing in between, until the desired consistency is reached. You can always add more, but you can’t take it away!
If you can’t get Thin Mints, Walmart sells a Great Value Fudge Mint Cookie that’s a perfect alternative. Happy Baking!
Christine of I Dig Pinterest
Yields Makes one 8"x8" pan
Save RecipeIngredients
- 1 Boxed Brownie Mix (16.3 oz) dry from the package (I used Betty Crocker)
- 1 large egg
- 1/4 c. vegetable oil
- 1/4 c. milk
- 1 package Thin Mint Cookies, divided (the Great Value Fudge Mint Cookies are a good alternative)
- Mint Frosting:
- 1 1/2 c. powdered sugar
- 3 Tbsp. melted butter
- 1/4 tsp. peppermint extract
- 1-2 drops green food coloring
- Just enough milk for thinning, 2-3 Tbsp. (add one Tablespoon at a time until desired consistency is reached)
Instructions
- Preheat the oven to 350 degrees Fahrenheit. Grease an 8"x8" or 9"x9" pan.
- In the bowl of an electric mixer, mix dry brownie mix, 1 egg, 1/4 c. vegetable oil and 1/4 c. milk until combined, scraping down the sides of the bowl in between.
- Add a single layer of whole mint cookies on the bottom of the pan, side to side (about 16 cookies).
- Carefully spread the brownie batter over, so as not to make the cookies come up or move around.
- Coarsely crush 9 more mint cookies and sprinkle them over the top of the batter.
- Bake for approximately 35 to 40 minutes, or just until set.
- Allow the brownies to cool completely before making the frosting.
- For the frosting, in the bowl of an electric mixer, cream together powdered sugar, melted butter, peppermint extract, green food coloring and just enough milk for thinning (add 1 Tablespoon at a time until desired consistency is reached). I used somewhere between two to three Tablespoons. Mix until nice and creamy, then spread over the cooled brownies.
- Crush two to three more mint cookies and sprinkle on top of the frosting before it sets.
- Let the frosting set up, then slice into squares and enjoy!
Enjoy, and Happy St. Patrick’s Day!
