Leafing through the '46 edition of Joy of Cooking, I ran across a candy recipe calling for a teaspoon of the ingredient. No definition in the book, none in Food Lover's Companion, and the recipe does not appear in the current version of Joy, so no clues there.
Community member em-i-lis cooks from Amanda & Merrill's new book
Make Weeknight Cooking Smoother and Stress-Free
Almond Apple Pie
This Week's Fall Cookbook Cake Parade
Jet black desserts—boo!
Unexpected Places We Found Food This Week