Praline Butter Cookies

1 cup butter

1 cup white sugar

2 egg yolks

½ teaspoon vanilla extract

2 tablespoons praline liqueur

2 cups all-purpose flour

¼ teaspoon salt

1 cup pecan halves

Cream butter; gradually add sugar, beating well at medium speed of an electric mixer. Add egg yolks, one at a time, beating after each addition. Stir in vanilla and praline liqueur.

Combine flour, baking powder, and salt; gradually add to creamed mixture, mixing well. Shape dough into 1 inch balls; place 2 inches apart on ungreased cookie sheets.

Press a pecan half into center of each cookie. Bake at 300 degrees F (150 degrees C) for 20 minutes or until lightly browned. Cool on wire racks.