Let dough stand at room temperature 10 minutes to soften. Meanwhile, heat oven to 350°F.
In large bowl, stir or knead cookie dough, bacon and peanuts until well blended. Shape dough into 1-inch balls (about 28); place 2 inches apart on ungreased cookie sheets.
Bake 9 to 13 minutes or until edges are golden brown. Cool 1 minute; remove from cookie sheets to cooling racks. Cool completely, about 20 minutes.
In small bowl, stir frosting and maple flavor until well blended. Frost cookies. Store in refrigerator.