Directions:
Preheat oven to 325 degrees F.
With a pastry blender, combine butter with flour. Until it looks like a shaggy dough resembling peas.
Add sugar, eggs & almond extract
Press firmly into a round cake pan. Do not grease.
Brush remaining egg yolk on top of cake.
Top with slivered almonds.
Bake in oven for 30 minutes or until lightly brown around edges.
Let cool and slice.