
A 1923 cookbook contained directions for calculating the number of calories needed daily. It also provided an example of how to use the chart:

To see if the number of recommended calories has changed across the years, I used an online calorie calculator to estimate the number of calories needed by a 35 year old woman who weighs 125 pounds. The online calculator asked for height. I used 5′ 4″. I also indicated that the woman did moderate exercise 4-5 times per week. The online calculator said that she needed 1827 calories per day to maintain weight which is 423 calories less than the hundred-year-old estimate that 2250 calories were needed per day – but perhaps doing two hours per day of general housework back then required more calories than moderate exercise 4-5 times per week does today.
Here’s some hundred-year-old advice for making pies using summer fruits:
Butter is sooo hard when I first take it out of the refrigerator. It’s impossible to spread. Also, I never seem to think about setting it out ahead of time to soften when I want use it in recipes. I could be imagining it, but I think that cold butter is harder today than in the past.
Until I read a reader’s request in a hundred-year-old magazine, I never thought about whether muffins should have a flat top:
