CRUST:

1 c. all purpose flour
1 c. finely chopped walnuts
1/3 c. firmly packed light brown sugar
1/4 tsp. salt
1/3 c. butter, melted

CHEESECAKE:

2 (8 oz.) pkgs. cream cheese, softened
3/4 c. sugar
Grated peel of 1 lemon
3 eggs

TOPPING:

1 1/2 c. sour cream
3 tbsp. sugar
2 tsp. vanilla extract

Preheat oven to 350 degrees. Grease a 13"x9" baking pan.

CRUST: In medium bowl combine dry ingredients. Pour in butter and with a fork pat mixture evenly into prepared pan. Bake 10 minutes.

CHEESECAKE: In mixer bowl beat cheese, sugar and lemon peel until smooth. Add eggs, beating well. Pour over baked crust. Bake 25 minutes. Cool 5 minutes.

TOPPING: In bowl combine all ingredients. Spoon over cheesecake, spreading evenly. Bake 5 to 7 minutes. Cool. Refrigerate at least 30 minutes. Cut into 1 1/2" x 1" bars.