Toffee Phe'S

Directions

1. 1
   Preheat oven to 350°.
2. 2
   Grease a 15 1/2 x 1-inch jelly roll pan; set aside.
3. 3
   In large bowl of electric mixer, at high speed, beat butter with sugar until light and fluffy.
4. 4
   Add egg yolk and vanilla; beat until blended.
5. 5
   At low speed, beat in flour.
6. 6
   With spatula, spread mixture in prepared pan.
7. 7
   Bake 12 to 15 minutes.