Square Root Tart with Horseradish Custard (Gluten-Free)

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Square Root Tart!

If you follow my blog, you probably already know about Pi Day.. but did you know about Square Root Day? It’s on April 4th this year – 4/4/16, of course!

Far from a yearly thing, square Root Day only comes around a few times in ones lifetime … so it’s fun to do something to acknowledge it. The next one won’t be til 2025, after all! As numbers nerds, it’s always fun to translate that into food, as an event. Things like this – and Pi Day – are fun. It’s a great way to bring people together without it being a BIG ordeal, like some of the larger holidays.

This square root day is especially fun for us, because it happens to fall on my husband’s birthday. So, I decided to make him a very special recipe to commemorate it. After much thought, I settled on this, a square root tart.

Roasted root veggies are one of my husband’s favourite foods, and I can’t blame him – LOVE them, myself. I decided that it needed to incorporate a “root” themed custard, so I went with horseradish. The slight bite of the creamy custard is a great foil for the texture and earthiness of the root veggies. Where I usually use cornstarch for certain things in crust recipes, I substituted potato starch… while potato is technically a tuber – not a “real” root – it’s closer to being on theme than corn starch is! 🙂

If you aren’t gluten-free (and won’t be serving this to someone who is!) you can substitute any single crust pie crust recipe, or a store bought one. We used a 9″ x 9″ square tart pan.

If you ARE gluten-free (or know someone who is)… you should be sure to check out my Kickstarter Campaign for Beyond Flour 2!


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Square Root Tart

Square Root Tart

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