Winners will all be between the ages of 8 and 12, but according to the official contest rules a parent or guardian older than 18 must submit each entry and will be allowed to accompany their child to the White House event.

All entries must be received by June 17, and only one child from each of the 50 states, plus D.C., Puerto Rico and U.S. territories, will be chosen for the dinner set to take place at the White House in August. Some of the winning entries will be served at dinner, according to the announcement.

The entries will be judged primarily on how well they incorporate the Department of Agriculture's MyPlate nutritional guidelines, and each entry—which can either be a single recipe or the description of a complete lunch meal—should include all of the food groups as represented in the guidelines: fruit, vegetables, whole grains, protein, and dairy.

According to the official rules, the judges will rank finalists’ dishes by nutritional value for 50 percent of the overall score, take taste into account for 25 percent, then 15 percent for creativity and originality, 5 percent for affordability and 5 percent for the included story explaining the submission.