We used to have these as a child. They have no fat and virtually no calories or carbs. I know they might be weird and not visually appealing, but trust me they are a great snack when you are watching your weight. Addictive even
Canned Drained Mushrooms
Spread them out on a large non stick baking pan or baking sheet and sprinkle with salt.
Put into a 300 degree oven and bake until they shrink away into dark brown "nuts".
Pour into bowl and snack on them.
Depending upon how many cans you make, these can bake for 25 minutes to an hour. So keep an eye on them.