1Heat oven to 375°F (350°F for dark or nonstick cookie sheet). Line cookie sheet with cooking parchment paper.
2In medium bowl, stir cookie mix, butter and egg until soft dough forms. In mortar and pestle, grind lavender into tiny pieces. Add lavender and lemon peel to dough; mix well.
3Drop dough by rounded tablespoonfuls 2 inches apart onto cookie sheet.
4Bake 10 to 15 minutes or until edges are golden brown. Cool 5 minutes; remove from cookie sheet to cooling rack.