I can't find them ANYWHERE!! I looked a few months ago to also make stuffed pasta shells. I found these but I haven't tried them yet. If you find any/try any please let me know!

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https://www.amazon.com/Tinkyada-Brown-Pasta-Grand-Shell/dp/B005P0TLDM/ref=sr_1_2?dchild=1&keywords=gluten+free+pasta+shells&qid=1595738960&sr=8-2