The phrase "whole quart" means a complete or entire quart, referring to a unit of measurement.
Sentences with «whole quart»
i was sad to throw out a whole quart of good milk and so i did not make the rest of the recipe. (101cookbooks.com)
I made a batch, only I quartered his recipe because I can't drink a whole quart of it, and I LOVE it. (livingthenourishedlife.com)
Chicken salad is something that I enjoy, especially when it's hot outside, but I've never felt compelled to eat a whole quart at one time. (pearltrees.com)