MIX together the lime juice and soy sauce in a small bowl. HEAT a large frying pan over medium heat then add the pumpkin seeds and cook, stirring continuously, until lightly toasted (about 3 minutes). ADD the soy-lime mixture. QUICKLY stir for a few seconds until the mixture has coated the pumpkins seeds. SPREAD the toasted pumpkin seeds on a large plate to cool. SERVE at room temperature.