Preheat oven to 300°. Combine crumbs, sugar and melted butter; press firmly on bottom of 9-inch springform pan.

With mixer, beat cream cheese in large bowl until fluffy. Gradually beat in sweetened condensed milk until smooth. Add eggs and lemon juice; mix well.

Pour into prepared pan. Bake 50-55 minutes or until center is set; top with sour cream. Bake 5 minutes longer. Cool 1 hour, chill at least 4 hours.

Serve with fresh strawberries if desired. Store leftovers covered in refrigerator.