The sisters go gluten free for the week while working with their May monthly challenge ingredient - Buckwheat. Megan makes a veggie burger and Tricia makes a buckwheat and black bean soup all while talking with gluten free advocate and founder of Sprigbox.com, Brent Jenkins. Find out how the dishes turn out, along with Brent's gluten free lifestyle and how to experience his gluten free reprieve in the mail once a month from Sprig. This program has been sponsored by S. Wallace Edwards & Sons.

With all of the focus on ethnic and regional cooking in the modern food movement, why is Russian cuisine so often neglected in the foodie canon? This week on A Taste of the Past, Linda Pelaccio sits down with Darra Goldstein, Professor of Russian at Williams College. Darra is also the founder and former Editor in Chief of Gastronomica, and the author of two books- A Taste of Russia and Georgian Feast. Tune into this episode to learn about the staples of Russian cooking. Why did Russian peasants crave sour foods? Learn how Peter the Great Westernized Russian cuisine for the upper classes. Tune in to hear Linda and Darra discuss some traditional Russian beverages such as vodka, kvass, and kefir. Listen in to learn about traditional Russian aversions to ocean fish and bears! This program has been brought to you by Bi-Rite Market.

"The new Russia is so fascinating... The capital cities of Moscow and St. Petersburg- you would hardly be able to recognize them if you lived there when it was the Soviet Union. There are many foreign chefs working there." [7:00]

"One thing that distinguishes Russian cuisine is the stove's falling temperature." [22:50]

-- Darra Goldstein on A Taste of the Past

This week on Why We Cook it's all about adaptability and flexibility. Erica talks about about the advantages of planning your meals and getting the most out of your leftovers-- from venison burgers,to a breakfast of cabbage and eggs to the seasonal offerings of cabbage and rhubarb. Later on in the show, learn what she and painter Jean-Francois Millet have in common. This episode is sponsored by Cain Vineyard and Winery.