We like the nutty flavor of roasted walnut oil; if you can’t find it, though, you can use regular walnut oil for more subtle walnut notes. Freeze extra slices with wax or parchment paper between them. Reheat in the toaster oven on dark toast setting.
Mixing dry ingredients can cause a dusty mess in the kitchen. But don't waste your money on a prefab splash guard. Instead, next time you're getting ready to bake, try this trick from Jenny Stewart of CHOW.com—it's the cleanest way to combine in the kitchen!