I did several searches, and the sources I saw said a pat is 1 tablespoon and is 100 calories. Example: https://www.nutritionix.com/food/butter/pat https://www.n

I did several searches, and the sources I saw said a pat is 1 tablespoon and is 100 calories. Example: https://www.nutritionix.com/food/butter/pat https://www.nutritionix.com/food/butter/pat But your latter point is fair. I haven’t measured it. I just know that my experience of cooking in my cast iron requires a lot more fat than my other pans.