3/4 c. butter
1 c. brown sugar, packed
1 egg
1 tsp. vanilla
1 c. chopped walnuts
2 c. sifted flour
1/2 tsp. cream of tartar
1/2 tsp. baking soda
1/2 tsp. salt

Cream together butter and sugar until light and fluffy. Add egg and vanilla; beat well.

Sift together flour, cream of tartar, baking soda and salt. Gradually add dry ingredients to creamed mixture; mix well. Stir in walnuts. Shape dough into a roll 1 1/2 inches in diameter. Wrap tightly in plastic wrap or waxed paper. Chill several hours or overnight.

Cut dough in 1/4 inch slices. Place about 1 1/2 inches apart on greased baking sheets. Bake in 400 degree oven 10 minutes or until golden brown. Remove from sheets, cool on racks. Makes 4 1/2 dozen.