| Directions | Mix together butter, sugar, egg yolk and vanilla. Stir in flour and salt. Roll in 1" balls. Dip in beaten egg whites. Place on ungreased baking sheet. Bake at 375° for 5 minutes. Press thumbprint in each cookie. Bake 8 minutes more. Cool. Put frosting or jelly in center of cookie. Great for the holidays. Makes 2 dozen. |
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Ingredients | - | | 1/2 cup butter |
- | | 1/4 cup sugar |
- | | 1 egg yolk |
- | | 1/2 teaspoon vanilla |
- | | 1 cup flour |
- | | 1/4 teaspoon salt |
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