Tbsp. mustard seeds 4 Tbsp. whole cloves 2 Tbsp. whole allspice 1 (three inch) stick cinnamon, broken 2 blades mace, or 1 Tsp. ground mace Olive oil Bring spice mixture to boiling; pour over stuffed peppers. Let cool. To each 3 peppers in jar or crock add about 1/2 cup olive oil. Cover. Let stand in cool place 10 days or longer before using. To serve, remove string, drain stuffed peppers. Note: Use remaining oil and spice mixture in salad dressings or for marinade.