1 1/2 c. graham cracker crumbs
1/3 c. sugar
1/3 c. butter, melted
1/2 c. finely chopped pecans

Combine above ingredients and press in pan. Save 1/3 cup. 1 1/2 c. sugar 3 eggs 2 (8 oz.) sour cream 1 tsp. vanilla 1/2 tsp. butter flavoring 1 c. finely chopped pecans, toasted