Boiling pine needles and bark to make some backcountry soup sounds like a good idea from the comfort of home, but when you're actually ready for a trail dinner, Mountain Houses's Beef Stroganoff 2. 5 Serving Entree will be much more appealing. It'll also actually nourish you with 11g of protein, 620 calories, and a delicious blend of tender beef, mushrooms, onions, and noodles.