Fans lined up to meet and get books signed by 'Real Housewives of New Jersey' star Teresa Giudice.

'Today' host Jenna Wolf helped introduce Angelo to the onlookers, and she even stuck with him during the demo.

To put portion size into perspective, this massive table and chairs was built to show that since portion and plate sizes have increased 40 percent, this is what dining furniture will look like if it followed the same scale.

Healthy Week is part of a larger initiative by NBC Universal.

Nikki Cascone loves a good quinoa salad, and provided this recipe for health-seekers.

Angelo Sosa's Grilled Tofu recipe, which he made during his live demo, is seen here.