The secret to the world's best peanut butter and jelly sandwich revealed

We are celebrating what could arguably be called the best couple in history today.

April 2nd is National Peanut Butter and Jelly Day.

VIDEO: Researchers link peanut butter to weight loss

University of Houston scientists say peanut butter has several health benefits

Huffington Post readers were asked, "What makes the best PB&J?"

Strawberry jam came in first. Grape was second.

White bread ruled, with the crust intact.

And the peanut butter has to be smooth, readers say.

A 2002 study found the average peanut butter-and-jelly-loving U.S. citizen eats 1,500 of the gooey sandwiches before they even graduate from high school.