What investigators thought might be a massive drug bust as Gatwick Airport turned out to be something legal — and yummy.

Employees of Purezza, a vegan pizzeria in the United Kingdom, were transporting ingredients in a suitcase on Aug. 28 when they were stopped by the British Transport Police.

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Investigators found 25 bags of white powder, according to Sky News — sparking suspicion from authorities that the bag was filled with drugs in what could've been a "huge drug bust."

However, tests determined the bags were not full of drugs, but of vegan cake ingredients.

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"Please label your foods and bring samples of cakes next time you visit," police wrote on Twitter.

Purezza thanked the officers "for going easy on us guys! A slab of cake all round is in order when you're next in Brighton."