As part of an effort to promote her healthy eating agenda, First Lady Michelle Obama made a guest appearance on 'Iron Chef America' and revealed the secret ingredient in a battle pitting Mario Batali and Emeril Lagasse against Bobby Flay and White House Executive Chef Cristeta Comerford.

In this clip, Obama tells the assembled chefs the secret ingredient is anything grown in the White House garden, which includes an abundance of seasonal fruits and vegetables.

Watch the video after the jump.
As part of an effort to promote her healthy eating agenda, First Lady Michelle Obama made a guest appearance on 'Iron Chef America' and revealed the secret ingredient in a battle pitting Mario Batali and Emeril Lagasse against Bobby Flay and White House Executive Chef Cristeta Comerford.

In this clip, Obama tells the assembled chefs the secret ingredient is anything grown in the White House garden, which includes an abundance of seasonal fruits and vegetables.

Watch the video from TV's Top 5! below.