Snowballs

1/2 cup granulated sugar
1/2 cup butter
1 egg, separated
12 cups crushed pineapple
1 cup whipping cream, whipped
2 cups shredded coconut
1/2 cup pecans, chopped
1 large box vanilla wafers
Maraschino cherries

Cream butter, sugar and egg yolk. Beat well. Add pineapple, nuts and stiffly-beaten egg white. Combine well. Place filling between three vanilla wafers stacked. Cover with whipped cream and roll in coconut. Top with cherry. Refrigerate.