Lemon Sugar Cookies

1 c butter, softened
1 c sugar
3 tbsp lemon juice
1 tbsp lemon zest, grated
2 tbsp almond liquor
2 1/2 c flour
2 tsp baking powder
1/2 tsp salt
sugar fro dusting
Beat sugar and butter together until light and fluffy. Add lemon juice, zest, liquor, and blend thoroughly. sift together flour, baking soda and salt and add to mixture. Blend well. Chill 3 hours. Shape into teaspoon sized balls and roll in sugar. Place on ungreased cookie sheet at 2 inches apart and bake in pre heated oven at 350 degrees for 12-14 minutes, until golden.