Peanut butter. With the metal blade, process peanuts continuously for 2 minutes. Add 2 to 3 tablespoons of peanut oil at the end if the peanut butter is too thick.
Bread crumbs. Use the metal blade and you’ll never throw away stale bread again.
Pasta dough. Forget about messy flour volcanoes on the counter. Use the metal blade.
Good-for-you chips. Trick kids into eating something wholesome. Use the 2-millimeter slicing disk to make sweet-potato chips; toss with olive oil and bake.
Cole slaw for an army. With the slicing disk, breaking down two heads of cabbage will take 2 minutes instead of half an hour.
Grated mozzarella. Stick the cheese in the freezer for 5 minutes to firm it up, then use the grating disk. This tip also works for cheeses like Cheddar, Swiss, and Muenster.
Big-batch baby food. Cook or steam fruits and vegetables, then puree with the metal blade.
Papier-mâché pulp. With the metal blade, process several sheets of newspaper (torn into small pieces) with a little water. Strain the pulp using a colander and mix with about a tablespoon of glue.
No, Don’t Even Think About It
Mashed potatoes. The starch in the potatoes will yield a gummy consistency.
Meat loaf. The meat will be so pulverized, you will end up with the densest dinner known to humankind.
Whipped cream. You can do it, but the resulting cream will be stiff and you run a strong risk of ending up with butter. Unless the processor model comes with a whipping attachment that allows air to be worked into the cream, stick with your mixer.
Egg whites or meringue. For the same reason you can’t process heavy cream; the results will be too stiff.
Large batches of soup. The fill line is usually too low to make a decent amount, so use a blender instead. (But soup for one or two? Go for it.)
Ground coffee. If the bowl of the processor is larger than 4 cups, skip it. The beans will fly to the side and you will get a rough chop, which will yield a terrible cup of coffee. (The finer the grind, the stronger the brew.)
Crushed ice. Ice is too hard and will dull your blade.