For ages, pepitas have played a prominent role in Mexican cooking, finding their way into their rich moles and sauces. We find them to be perfect in everything from salads to brittle. Pepitas are the rich inner kernel that lies within the crunchy outer coating of the whole pumpkin seed. These small greenish seeds are velvety and rich and softer than other nuts. Look for them in packages next to the nuts in the supermarket or in a Mexican market.