This expression is taken from a literal characteristic of the cucumber. Being that the inside of a cucumber is actually 20 degrees cooler than their outsides. All matter has properties of thermal conductivity which dictate how quickly heat will move through the matter. The thermal conductivity of a cucumber is incidentally reported at 0.62 W/m K.
I'm Chris I've been working in kitchens for almost 20 years. Straight Outta My Kitchen is about Sustainable Fresh Local Products. Content Simple Easy Recipes to follow along at home. Straight Outta My Kitchen will strive to produce quality content on home cooking, cast iron, recipes, Product reviews, Food Photography and other things as I go along Looking forward to see how this all pans outs. When It comes to eating I definitely enjoy great flavors, seasonal inspired, great home cooked meals. Growing up I was always in the kitchen learning, watching, learning what does and doesn't go well together. Well Thanks for stopping by here and checking out my photos hope the make you hungry and want to go cook.