For our December 2025 JOC Cooking Problem, we’ll be baking wealthy, superbly inexperienced Matcha Brownies which might be excellent for the vacation season!

This Month’s Recipe Problem
The vacation baking season has formally begun, and I’m kicking off our year-end cooking problem with these festive-looking recipe: Matcha Brownies!
These brownies are completely fudgy with a stunning stability of nutty sweetness and heavenly matcha taste. Simple to make, delightfully Japanese, and excellent for tea time or as a selfmade reward—I hope you’ll be part of within the enjoyable!
Different Entry: Should you don’t have good-quality matcha readily available, be at liberty to make the chocolate brownie model included within the recipe submit.

The Prizes!
This contest is open to everybody worldwide, and we are going to randomly choose 3 winners on the finish of the problem. Every winner will obtain a $100 Amazon reward card.
Everybody who completes the JOC Cooking Problem submission is mechanically entered into the prize draw.
Please notice that winners are not chosen based mostly on how the creations look, however your submission should comply with the recipe and meet the problem necessities.
Earlier than You Begin
- You’ll want to learn by way of the complete recipe submit first earlier than baking.
- You probably have recipe-specific questions, please go away them within the feedback on the recipe submit. For any challenge-related questions, go away your remark under. We’re right here to assist!

How one can Be a part of the JOC Cooking Problem
Make Matcha Brownies and comply with the recipe as carefully as attainable so your ultimate dish seems just like mine.
To enter for an opportunity to win, merely full these two steps:
- E-mail us your image. Ship one photograph of your ultimate dish to contest@justonecookbook.com by 12 pm (Pacific Time) on December 31, 2025, and;
- Depart a star score and remark on the Matcha Brownies recipe submit utilizing the identical electronic mail tackle you used on your photograph submission.
- Every particular person could submit just one entry.
- Be at liberty to share your image on social media and tag us @justonecookbook.

