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DIY Projects

Mason Jar Brownies

My husband has a significant birthday happening this month.  I won’t give it away, but it’s a pretty good one.

We’re headed out on a picnic for his birthday dinner.  The weather has been beautiful, and since we’ll be eating in restaurants twice this weekend, I thought some good homemade (-ish) food was in order for our family celebration.

We needed something portable for his birthday cake though.  So through my Pinterest browsing, I discovered just how many things you can bake in perfect single-sized, very portable mason jars.  Bingo!  I decided to try baking brownies in mason jars.

Here’s a look at exactly how we did it:

The important thing to remember is to not fill the jars too full (between 1/4 to 1/2 full) and to bake them for about 20 minutes at 350F.  I did have to keep a close eye on them the last few minutes because the edges seemed to be cooking much faster than the inside.

Add some birthday candles, and we have single-serving birthday cakes to celebrate my husbands 40th birthday!

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Article written by:

Megan is a WAHM to 3 (and then some) kids, who spends the majority of her time working as an Administrative Assistant, blogging and washing dishes. She loves to write about her adventures in parenting, running a home daycare, adoption and whatever else strikes her fancy!


  1. Lynne Streeter Childress

    Yumyumyumyumyumyumyum. And also, yum. This looks SO good. Must make this.
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  2. Christina

    This is a GREAT idea. I love mason jars, so I’m always looking for something else to use them for. This is so neat.

  3. Tina Truelove

    I recently baked cakes in Mason Jars. I didn’t think about making brownies in them, but I’ll be doing that next. Thanks for sharing!
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  4. Jillian Fisher

    That is too cute!! Now you just need an extra long spoon. =-) or spoons depending on if he wants to share or not. lol.
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  5. harriet

    That looks like such a cool idea. Yummy too!
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  6. sojourner

    Oh my goodness! Now, of course I have to try this! Looks soooo delicious.

  7. Rachee

    This looks like something I will need to recreate with my daughter! I love that it is portable!
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  8. bri

    I have to make this! Thanks for sharing.

  9. Beth@FrugalFroggie

    I didn’t know you could make brownies in a Mason Jar. Tell you husband happy birthday for the big one.
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  10. tweenselmom

    I wished you’ve taken photos which will show the brownies more. They seem to look delicious but couldn’t see much because of those letters.
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    • Megan Elford

      I agree — I wish I had been able to get better photos! Most of my shots weren’t great. I never realized how hard it would be to take a photo through a jar, lol! I probably should have made one jar filled to the top, so that you could see the brownie. Blogger problems :-). Next time I’ll be sure to do that!

  11. Lois Jones

    What a fun idea! Love the video!!
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  12. Liz Mays

    Now you have me wanting to try it as well. Brownies in jars is a fantastic idea, and happy birthday to your husband!
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  13. Elizabeth O.

    That is great and they can eat that anywhere. Thankfully mason jars don’t break easily.

  14. Bismah

    This is super awesome! I am a huge brownie lover. These look so delicious and easy to make. I also really like the idea of a birthday picnic. Thank you for sharing!
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  15. Jessica Cassidy

    Hope your husband will have the best birthday ever. The brownies looks delish and love brownies too.

  16. Zulema

    This is such a cool idea. I think they would make great christmas gifts. Decorate the jar in some holiday supplies and you’ve got christmas done!
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  17. Maggie

    Awesome idea! I love making things like this for gifts!
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  18. Yona Williams

    Oh wow – this is a cool idea for a portable birthday cake. I would have never thought of using a mason jar.
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  19. Krista

    These look great. I have to buy some mason jars bc there are just so many uses for them. Thanks for linking up at MeetUp Monday! Hope to see you tomorrow!

  20. Laura at Mommy Maleta

    Thanks for linking up these tasty little numbers at the Thoughtful Spot Blog Hop! Hope to see you again soon!

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