Michelle ObamaMichelle LeVaughn Robinson ObamaJill Biden, Kate Middleton to meet this week Jill Biden to focus on military families on foreign trip Book claims Trump believed Democrats would replace Biden with Hillary Clinton or Michelle Obama in 2020 election MORE attempted to add some vegetables into Jimmy KimmelJames (Jimmy) Christian KimmelCaitlyn Jenner slams Jimmy Kimmel for calling her 'Trump in a wig' Stephen Colbert is bringing back his live audience Fox News late-night show 'Gutfeld!' nears top of ratings race MORE's daughter's diet, but gave up after admitting the nutrition mission was an "epic fail."

The former first lady appeared on "Jimmy Kimmel Live!" on Tuesday to promote her new food-focused Netflix children's series, "Waffles and Mochi." The ABC late-night host asked Obama during one sketch to convince daughter Jane to get some green onto her tastebuds.

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"You have an impossible task ahead of you. My daughter Jane does not eat [vegetables,]" Kimmel told Obama.

"Let's see how Michelle Obama stacks up against Jane Kimmel, age 6," the doting dad declared.

"So Jane, why don't you like vegetables?" Obama, 57, asked the youngster.

"Because I don't really like to try new things," Jane Kimmel replied.

"I know. I was like that when I was your age. You know what I liked to eat? The only thing that I would eat for breakfast until I was 19: peanut butter and jelly," said Obama, who championed healthy eating as part of the "Let's Move!" campaign that she launched in 2010.

"But here's what I learned: if you try something new, just try it, that you open up your tastebuds and then you'll like a whole bunch of new things," Obama said. "So can I get you to try, just try, a vegetable?"

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As Jimmy Kimmel put plates of carrots and green beans in front of her, Jane exclaimed, "No way. I can't!"

Obama then took another approach, asking Kimmel's daughter, "Jane, can you help me teach your dad a game that I learned from two of my best friends, they're Waffles and Mochi."

"Waffles is a cross between a frozen waffle and a yeti, and Mochi's got a little, bitty mouth and Mochi can't eat big things. So Mochi taught me this game called the small bite game. So Dad, can you try to cut those carrots up into the smallest bites?"

But as Jane shook her head in disgust, Obama admitted defeat.

"We're losing her," Obama quipped.

Then, Jimmy Kimmel's son, 3-year-old Billy, appeared and took a spot on his dad's lap before grabbing a carrot and munching on it.

"Well, this was an epic fail. This was a complete set-up," Obama cracked.

Kimmel then served up a slice of pizza to Jane, whose eyes lit up.

"What if we put the string beans on the pizza?" Obama suggested.

"No!" Jane shouted.