How to Thicken a Sauce or Soup

Sometimes you can boil a sauce or soup long enough to obtain the perfect thickness, but that's not necessarily efficient or nutritious, so here are some easy ways to thicken without cooking for an extra hour.
Chicago Diner Cookbook

The Chicago Diner Cookbook

Established in 1983 by Jo Kaucher and Mickey Hornick, The Chicago Diner is a vegetarian jewel in a traditionally meat-loving city. Most of the recipes in The Chicago Diner Cookbook are vegan, though a few dairy products show up here and there.