Preheat oven to 180 degrees C. Grease two oven trays; line with baking paper.
Beat butter, sugar and vanilla in a small bowl with electric mixer until light and fluffy. Add egg yolks, beat until combined. Stir in sifted flours and then almond meal until combined.
Roll level tablespoons of mixture into balls. Place about 5cm apart on prepared trays, flatten slightly. Using end of a wooden spoon, press a shallow hole, about 1cm deep into each ball. Fill each hole with a little jam.