K & J Donuts

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114 Triad Ctr W
O'Fallon, MO 63366

Located in the heart of O'Fallon, MO, K & J Donuts is a hidden gem for donut enthusiasts. Step inside this cozy haven, where the aroma of freshly baked pastries greets you at the door. With a wide array of classic and inventive flavors, there's something to satisfy every craving at this charming donut shop.

Whether you're a fan of traditional glazed treats or more adventurous flavors like maple bacon or red velvet, K & J Donuts has you covered. The friendly staff are always ready to recommend their latest creations or pack up a box of your favorites to take home. Stop by for a morning pick-me-up or an afternoon indulgence—either way, you'll leave with a smile on your face and a delicious donut in hand.

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Reviews

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5.031 reviews
Photo of Danette A.
Danette A.
9/30/2025

The people make all the difference! They've been super friendly each time I've been in, and it doesn't hurt that the donuts are delicious.

Photo of Courtney N.
Courtney N.
2/23/2025

Their donuts are so good and fresh! This donut shop came requested by so many people around the area so I knew it was going to be great. They had many options to choose from even though we came...

Photo of Stephanie D.
Stephanie D.
2/2/2025

The best donuts ever! This place is great! It is family owned and they are so friendly! They are the best donuts around! They are so fresh and soft. The filling and toppings are delicious!

Photo of Savannah K.
Savannah K.
11/9/2024

YUM!! I've been looking for a new donut place around St Charles and K&J hit the spot. Such a large variety and all the donuts were so fresh !!

Photo of Jodi S.
Jodi S.
9/7/2025

Delicious donuts, and owned by the sweetest family! Such a great variety of treats, and the donuts are always soft and delicious. Our new favorite local spot!

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United StatesMissouriO'FallonK & J Donuts

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