Mix the dry ingredients

• Combine the all-purpose flour, almond flour and salt in a bowl.

Beat the butter and sugar

• Beat the butter and sugar until fluffy.
• Add the vanilla extract, egg and lemon zest, then mix.

Make the dough

• Combine the wet and dry mixtures.

Chill the dough

• Shape the dough into a disk, wrap it and chill.

Preheat the oven

• Preheat the oven to 350°F and line a baking sheet.

Cut out the ghost shapes

• Roll the dough to 1/4-inch thick.
• Use a heart-shaped cookie cutter to cut out shapes, then cut each shape in half.
• For the eyes, use the small end of a piping tip to create two small holes; for the mouth, use the larger opening.
• Gently tilt and press the cookie slightly to give it a ghost-like appearance.

Bake the cookies

• Bake until golden.

Cool the cookies

• Cool on a wire rack.

Fill and assemble

• Dust the cookies with powdered sugar.
• Spread jam and sandwich the cookies together.