Busy actress/mother of two MELISSA JOAN HART is always on the go, and fitness guru BOB GREENE is helping her stay fueled up and in shape with a fast, healthy meal!

Tonight on ET, the author of The Best Life Diet shows the former "Sabrina, the Teenage Witch" star how to create a tortellini and salmon salad using ingredients approved by his "Best Life" way of living, such as Wishbone Bountifuls Hearty Italian Dressing!

"I have two crazy boys," says Melissa of MASON, 2, and BRADY, three months. "I used to be 10 minutes late for everything. Now I'm 20 minutes late for everything; I'm breast feeding and potty training; those are both full time jobs."

Luckily, Bob has the perfect solution for busy moms like Melissa. CLICK HERE for the recipe!