Heat oven to 375°F. In large bowl, combine brown sugar and margarine; beat until light and fluffy. Add milk, 1 tablespoon lemon juice, lemon peel and egg; blend well. Add all purpose flour, whole wheat flour, baking soda, cinnamon and salt; mix well. Stir in apples and granola. Drop dough by heaping teaspoonfuls 2 inches apart onto ungreased cookie sheets.