Instructions: Lightly spray cookie sheet with no-stick cooking spray or oil lightly. Beat margarine and 1-1/4 cups sugar until fluffy. Add yogurt, egg whites, lemon peel and vanilla; mix until well blended. Gradually add combined remaining ingredients except powdered sugar; mix well. Cover and refrigerate for 1 to 3 hours.

Heat oven to 375F. With lightly floured hands, shape dough into 1-inch balls; place on prepared cookie sheet. Using bottom of glass dipped in sugar, press into 1/8-inch thick circles. Bake 10 to 12 minutes or until edges are lightly browned. Cool 2 minutes on cookie sheet; remove to wire rack. Sift powdered sugar over warm cookies. Cool completely. Store tightly covered. ABOUT 4 DOZEN.

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