CNN is in the studio filming Dave for "The Next List" on this week's edition of Cooking Issues and Dave has a full mailbag of questions to answer. From making ice-cream at home with a Carpigiani to hydro-colloid experimentation, Dave's got the solutions to all of your issues. Learn more about different types of fats, low temperature cooking techniques and more. What would it take for Dave to punch somebody in the face over food? How does fracking affect ice cream? How can you make sure not to ruin prime-rib when cooking? How can you manage allergies to cherries and apples? If any of this interests you at all - press play immediately! Today's episode of Cooking Issues was brought to you by The International Culinary Center.

"If you need to rely on [an ice cream maker] for your business - don't buy it on used or on eBay." [6:10]

"There is no one fat that is the best fat for frying." [32:15]

"The last thing on earth you want to do is cook an entire prime rib low temp and then do a flash sear." [27:00]

"Different apple varieties have widely different levels of allergens that cause your throat to itch." [49:20]

--Dave Arnold on Cooking Issues

Pop Rocks, vinegars, nanoparticles, and eggs- we've got it all on this week's Cooking Issues. Dave Arnold and Nastassia Lopez begin the show with a official response from S.C. Johnson about sous vide cooking in Ziplock bags! Later, hear about the possibilities of savor Pop Rocks and open-fermentation fruit vinegars. Should nanoparticles in food a safety concern? Dave hears back from listener about some new and interesting egg peeling techniques. Can harissa sauce be made shelf-stable without the addition of preservatives? Finally, Dave closes out the show by talking about Booker and Dax's ice program! This episode has been brought to you by White Oak Pastures.

"The reason to raise the pH when pressure cooking is to shift the temperature at which a Maillard reaction occurs to a lower temperature." [20:25]

"You can you take a something that is safe to use (in food) and decrease its size by so much that it is no longer safe to be used." [25:30]

-- Dave Arnold on Cooking Issues

Welcome to U Look Hungry's "Holidays on Ice" special! This week, Helen Hollyman is joined in the studio by Gastronomista's Emily Arden Wells and Jennifer Pelka. Jennifer also happens to be tumblr's Food & Beverage Evangelist, and is here to talk about tumblr's new "Reblog Gift Guide". Check out the site to find out some great gift ideas this holiday season! Listen in to hear about Emily and Jennifer's hometowns, and the local food happenings at home. Listen in to hear Helen, Emily, and Jennifer give their holiday hosting tips. What are some inexpensive ways to "deck the halls"? Hear the ladies talk about catering for parties, the juxtaposition of high and low brow foods, and why a good host keeps the booze flowing. This episode has been brought to you by Tekserve.

"I like giving bottles as presents because I live in a 300 square foot apartment, and I don't have space for much else!" [7:45] -- Emily Arden Wells on U Look Hungry