1 c. flour
1/4 c. brown sugar
3/4 stick butter, melted
1/2 c. chopped pecans
2 (8 oz.) pkg. cream cheese
1 c. sugar
2 eggs
3 tsp. vanilla
8 oz. carton sour cream
2 tsp. vanilla
3/4 c. sugar

Stir together flour, brown sugar, butter and pecans. Press bottom and sides of 7 1/2 x 12 Pyrex baking dish. Bake for 12 minutes at 350 degrees. Let cool

Cream together cream cheese, sugar, eggs and 3 tsp. vanilla. Pour in crust. Bake 20 minutes at 350 degrees. Let cool.

Stir together sour cream, 2 tsp. vanilla and sugar. Spread over first layer, bake 10 minutes at 350 degrees. Refrigerate at least 5 hours before serving.