In food processor, place the vinegar, mustard, shallot, thyme and pasteurized egg yolks. Cover; process until smooth. With the machine running, add the 1 cup pumpkin seed oil and then the 1 cup olive oil, 1 tablespoon at a time. If the mixture gets too thick, add the 1 tablespoon ice water. Season with the salt and pepper. Stir in pumpkin seeds. Refrigerate while making tilapia.