BBC regular Louise Minchin sparked outrage after she revealed her favourite sausage sandwich condiment.
During Wednesday's instalment of the morning show, Louise, 52, said that instead of the traditional red or brown sauce on her sausage butty, she adds marmalade.
The confession came as Louise and co-host Dan Walker, 44, discussed a shortage of tomato ketchup sachets in the US.
Kicking off the debate, Dan asked Louise: "The important question to ask you this morning is: Sausage Sandwich, red sauce or brown sauce?"
But Louise replied: "Neither - marmalade. That's really messed with your head hasn't it?"
A clearly shocked Dan said: "What? You're a maverick.
"My grandad used to have marmalade with bacon but what just normal marmalade or like an onion...?"
Shaking her head defiantly, Louise confirmed: "No just normal marmalade."
"Wow you are really breaking culinary boundaries this morning," Dan added.
Breakfast presenter Carol Kirkwood could not get on board with Louise, saying: "I prefer mustard".
Dan ended the conversation, stating: "What's wrong with bog-standard ketchup?"
Viewers rushed to Twitter to comment on the controversial condiment, with many saying they were horrified.
One person said: "Marmalade? Surely it should be Worcestershire sauce."
Another wrote: "Were you serious about marmalade on a sausage sandwich? It made me go urrrgh."
A third added: "That's not right."
What do you have on your sausage sandwich? Let us know in the comments.
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