Costco is full of awesome things to buy in bulk (like steaks), but some of the bulk deals in the vast warehouse's aisles aren't as obvious as others — especially if you're a single shopper. For home ...

On one end of the hierarchy of nuts, there's the common yet versatile peanut. And on the other, there's the outrageously priced pine nut, which makes the teardrop shaped nuts like the caviar of nuts.

Pine nuts are a nutritious snack that can be eaten raw or roasted. They can be added to salads, sprinkled on top of hummus, and blended up as part of pesto and other sauces. Pine nuts are grown ...