The Trump administration has come under fierce criticism often for its debatable decisions that include among others, shifting the US Embassy in Israel to the controversial city of Jerusalem and separating children from their immigrant parents at the border during the legal procedure and treating them without compassion.
Asked if she would do the same thing again, Ms Wilkinson said "absolutely, yes".
Sanders later tweeted that "her actions say far more about her than about me".
What would you do if someone walked into a restaurant you owned - someone whose politics you strongly opposed - and asked for a meal?
Another poster drew a comparison between the Red Hen owner's actions and the recent Supreme Court decision that a Colorado baker shouldn't be forced to make cakes for same-sex weddings he disapproves of on religious grounds.
The incident comes days after Homeland Security Secretary Kirstjen Nielsen and White House adviser Stephen Miller were confronted while dining at Mexican restaurants in Washington, DC.
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"I politely left", the press secretary said on Twitter. Meanwhile on Friday evening, in another sign they were not the same restaurant, The Red Hen in Swedesboro, New Jersey was posting about their dessert options.
"I said, 'I'd like to ask you to leave, '" and Ms. Sanders didn't hesitate, replying, "That's fine".
"And appetisers are 'small plates for small minds"'.
Wilkinson said that she was notified of Sanders' visit to her restaurant by her staff, who expressed concern over Sanders' stance on politically charged issues, such as gay rights.
Meanwhile, an unaffiliated restaurant in Washington, also called the Red Hen, was working to convince customers that it was not involved in the Sanders dispute, which took place in Virginia.
"I'm not a huge fan of confrontation".
Wilkinson told the Post that the Sanders group had "offered to pay", but Wilkinson declined, telling them that there was no charge for their order.
But many responses were supportive of the restaurant owner's actions.