For the crispiest latkes, don't overlook the instructions in Step 5. After you drain the excess moisture from the potatoes and onion, you'll see a milky white substance at the bottom of the bowl. It's potato starch—and including it in the latke mixture not only helps them hold together, but also makes for crispier results. A topping made with brisket leftovers makes these even more special. Read more about this recipe.