Food and Drink : Is it rude to ask what's being served when someone invites you to dinner?

I'm seriously a picky eater and will gag if I'm forcing myself to eat something I don't like. It was just supposed to be a visit, but she just said "I'd like you to stay for dinner, if possible"

Should I ask?

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My password is password

Yes.

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"An armed man is a free man. An unarmed man is a fool. A disarmed man is a slave."

Yes should I ask or it's rude?

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My password is password

Ask

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"An armed man is a free man. An unarmed man is a fool. A disarmed man is a slave."

Just ask anyway

Act like you’re just excited to know if it’s something you don’t like pretend you’re sick or something

Ask.

Some people have food allergies, so it's not being rude when you ask what is being served.

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A Saturday night special is an EVERYDAY special.

Yes it is rude. For sure.

Yes. It's like saying, "Your company isn't good enough to entice me, but if I like the food I will tolerate you."