Thimble Cookies

Ingredients

• 0.5 cup butter
• 0.25 cup white sugar
• 1 egg yolk, beaten
• 2 teaspoons lemon juice
• 1 cup all-purpose flour
• 1 egg white
• 1 cup finely chopped walnuts
• 1 cup raspberry jam, or as needed

Steps

1. Preheat the oven to 350 degrees F (175 degrees C).
2. Cream butter and sugar; add yolk and lemon juice and beat well. Stir in flour until well blended.
3. Form into 1-inch balls, dip into beaten egg white then into chopped nuts. Place on a greased cookie sheet, make a deep indentation in the center of each cookie.
4. Bake for 5 minutes, then quickly indent centers again, continue baking for 10 minutes.
5. Fill center of each hot cookie with raspberry jam.