Mix butter, sugar, and egg until fluffy.
Add almonds, cinnamon, and flour. Mix until dough forms. You may chill the dough to make it easier to handle.
Roll out dough (for cutout cookies) then use star-shaped cutter to cut cookies.
Sandwich two star cookies together with the preserves in the middle. Be careful to put the preserves in the middle of cookie (it does not take much). Press edges of cookies gently together.
Place on greased cookie sheet. Bake at 350° for 12 minutes or until light brown.