Free Guides

Kitchen Guides

The things worth knowing before the cooking starts.

These guides are free, there is nothing to sign up for, and they will still be here whether or not you ever install the app. They are written by Dr. Edward G. McKeown, whose doctorate is from Purdue University and whose doctoral research and specialization were in food safety. He is also ServSafe certified.

1

Food Safety in the Home Kitchen

Handwashing, keeping a clean station, the temperatures that matter, and the six things that quietly destroy your frying oil.

Updated September 13, 2026

2

Cooling and Storing Food Safely

The danger zone and the two-hour rule, cooling hot food fast, how long leftovers keep under USDA and the FDA Food Code, reheating, and the safe ways to thaw.

Updated October 23, 2026

3

What the Dates on Food Really Mean

Use-By, Best if Used By, Sell-By and Freeze-By: which dates are about quality, the foods that need a stricter clock, how long eggs keep, and when to throw food out anyway.

Updated October 29, 2026