BEST HIGH CALORIE FOOD THAT WON’T FREEZE
The most calorie dense food you can get is likely to already be in your kitchen. The same food has been used many adventurers doing self supported sled pulls to the South Pole.
If your goal is a huge self supported adventure where you carry all your calories, then this is your answer.
However, if you have aspirations of weight loss…. Best to keep your intake of this food as low as possible.