Michelle Obama and celebrity chef Rachael Ray on Wednesday will visit the heartland of beloved frozen pizzas and greasy tater tots: the American elementary school.

Update: Michelle Obama and Rachael Ray visit Fairfax school to announce new school-lunch regulations

Michelle Obama's efforts to promote healthy eating have earned her a James Beard Foundation Leadership Award. (Marvin Joseph/The Washington Post)

Those frozen pizzas will still be on the lunch menu, but they will have healthier ingredients, according to Obama.

Ray also joined Michelle Obama at a 2010 White House event in which chefs were asked to adopt a public school and nurture healthy eating habits.

View Photo Gallery: Michelle Obama’s campaign for health and fitness has included planting gardens, playing soccer and hula-hooping on the White House lawn.