It's fun to pick a cuisine and say I'm going to research Ethiopian food, and see what it's all about. You find that there are a lot of similarities in cuisines from around the world and a lot of similar flavors.

Chronic malnutrition, or the lack of proper nutrition over time directly contributes to three times as many child deaths as food scarcity. Yet surprisingly, you don't really hear about this hidden crisis through the morning news, Twitter or headlines of major newspapers.

Purchase items that can be made into several meals, like a whole roasted chicken, or bag of sweet potatoes, and shop the periphery of the grocery store, avoiding the middle aisles full of processed and higher-priced foods.

I've been experimenting more and more with LN2, liquid nitrogen. I've used it in battle on 'Iron Chef America,' but have also made some great ice creams at home for my family. Since it freezes basically on contact, you can have ice cream ready in mere minutes.

I use a lot of fresh citrus, garlic, and fresh herbs when cooking to cut down on fat and sodium but punch up flavor. Our cupboards and fridge are full of condiments - mustards, vinegars, etc. that also add tons of flavor but are low in fat, calories, or other processed additives.

I launched Chefs for Humanity, a national nonprofit, with my voice, heart and money from my own pocket. Money gives you the ability to make a difference in the world and, when used in a positive way, is a lot of fun.

If eating out, order your meal and ask the server to wrap up half of the portion to take home with your for the next day, keeping your portion size in check, and stretching your dollar into two meals.