What foods does tartar sauce compliment (besides fish)?

I eat fish sticks and tuna (Tuna is great to mix with a bit of tartar sauce)... besides that I don't eat seafood. I love the way tartar sauce tastes. I tried to put it in my sandwich in place of mayo and mustard, but it didn't taste right. Besides fish, what does tartar sauce go well with?
By the way, I use Trader Joe's tartar sauce... SO GOOD. If you live near a TJ's, I highly recommend it.
 
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