Ingredients

• 0.67 cups butter
• 0.33 cups white sugar
• 2 eggs yolks
• 1 teaspoon vanilla extract
• 0.5 teaspoons salt
• 1.5 cups all-purpose flour
• 2 eggs whites , lightly beaten
• 0.75 cups finely chopped walnuts
• 0.33 cups strawberry preserves

Instructions

1. 1 Preheat the oven to 350 degrees F (175 degrees C). Lightly grease cookie sheets or line them with parchment paper.
2. 2 In a large bowl, cream together butter and sugar until light and fluffy. Beat in egg yolks, vanilla, and salt. Gradually mix in flour.
3. 3 Shape dough into 3/4-inch balls. Dip in lightly beaten egg whites, then roll in finely chopped walnuts. Place 1 inch apart on the prepared cookie sheets. Press down the centers of each with your thumb.
4. 4 Bake for 15 to 17 minutes, or until golden brown. Cool on baking sheet for 5 minutes, then remove to a wire rack to cool completely. Just before serving, fill centers of cookies with strawberry preserves.

Nutrition per serving