Preheat oven to 180ºC . In large mixing bowl, cream margarine, peanut butter and sugars. Add eggs and vanilla and beat until light and fluffy. Combine flour, oats, baking soda and salt; gradually add to creamed mixture. Stir in M&M Semi-sweet chocolate candies until evenly blended. Drop by heaping tablespoonfuls about 5 cm apart onto ungreased cookie sheets. Bake 8 dozen minutes until lightly browned. Cool 1 minute on cookie sheets; remove to wire cooling racks. Store in tightly covered container. Makes about 3 dozen 6 cm cookies. Mars Incorporated 1993, ----