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Rachael Ray is putting her “big mouth” to good use – to teach schoolkids to grow and eat healthier food.

The star TV chef and author joined New York City Mayor Michael Bloomberg on Thursday at a Brooklyn school – one of 25 in the city that have built their own gardens “to empower kids to cook and have a healthier relationship with food,” Ray told a gathering of children, teachers and officials on the playground of Public School 29.

They stood in front of boxes of vegetables and herbs that will go into school lunches. Ray is helping create menus for 1,600 city public schools where students also are taught cooking and nutrition.

The New York effort is part of a national campaign against childhood obesity led by first lady Michelle Obama, who helped Washington schoolchildren create a White House garden.

One in three American children is overweight or obese, increasing their risk of diabetes, heart disease and other illnesses, and contributing to health care costs.

The city program, with a goal of creating 50 school gardens by next year, is supported by Ray’s Yum-o! organization, plus government, private and community nonprofit funds.

“I pledge my continued support as long as I have a big mouth,” said Ray, who then inspected the school garden with Bloomberg, New York City Council Speaker Christine Quinn, state Agriculture Commissioner Patrick Hooker and other officials.

As a child in upstate New York, Ray said she ate produce grown by her Italian grandfather. But she confessed with a grin, she also “had the diet of a 75-year-old Sicilian – I loved salt, I ate a lot of anchovies.”

When asked what his favorite vegetable was, Bloomberg deadpanned: “Steak.” And the kids giggled.

They had posted “love letters to their garden,” as Ray called sheets of colorfully decorated papers tacked to the chain-link fence near rows of wooden boxes filled with budding tomatoes, carrots, basil, dill, spinach and other produce.

One boy wrote that he likes gardens because they’re often surrounded by “flowers and buttflys.”

A girl said her school’s plantings make P.S. 29 “pritty.”

And in one box, the vivid green, sprouting leaves were labeled “Mints.”

TV host Rachael Ray made her first ever appearance on yesterday’s edition of ‘The Martha Stewart Show’. It was a day of firsts as Rachael joined Martha in the kitchen to bake her first pie.

Rachael admitted that a failed attempted to bake her mother a birthday cake 30 years ago left her traumatized, so Martha, who appeared on Rachael’s show yesterday, taught the effervescent daytime star how to bake an apple-blackberry pie perfect for the holidays. While baking, Rachael commented, “I haven’t been this nervous since I was nervous Iron Chef.’

Martha and Rachael on Puffy, Eminem and rap music:
RR: When I learned that you love rap, we had this [hat] made especially for you, Mix Master Martha.
MS: Puffy [Sean Combs] is having his birthday party next week, and I got an invitation. Did you?
RR: No, I didn’t. I love Puffy too. I even wear a little of his cologne around the office.
MS: Maybe he’ll send you an invite.
RR: And I heard that you love Eminem, so I got [you] all Eminem [CDs].
MS: I can listen to him all weekend! By the way, I have invited Eminem on this show – every year we invite him and he has never showed up. He is so cute.
RR: He is very cute.
MS: All those rappers are cute. Don’t you think?
RR: I think they’re all pretty darn cute.

Rachael on her infamous acronyms:
MS: I put a question on my Twitter yesterday asking everyone to write in what their question would be for me to ask you.
RR: No kidding! Did I get any responses?
MS: Hundreds! They wanted to know where you get your acronyms from.
RR: Standing alone, all those years in Food Network, making food and talking to yourself – you get sick of saying extra virgin olive oil.

Martha on her alleged feud with Rachael:
MS: I just want to point out that there has never been any animosity or a feud [between myself and Rachel]. People emailed me and said, ‘The feud is over?’
RR: What feud?!

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