Scotch Shortbread

Directions

1. 1
   Sift together flour and baking powder.
2. 2
   Cream the butter, adding sugar gradually. Add egg and lemon rind. Combine ingredients.
3. 3
   Mixture will be very stiff.
4. 4
   Place into buttered 8-inch square pans.
5. 5
   Butter hands to spread mixture into corners. Bake at 300° for 30 minutes.