1 (14-1/2 oz.) can (1-3/4 c.) evaporated milk
1 (4 oz.) pkg. lemon gelatin
1-3/4 cup hot water
1/4 cup lemon juice
1 cup sugar
2-1/2 cup vanilla wafer crumbs or graham crackers
Chill unopened can of milk in refrigerator until ice cold, about 3-4 hours. Dissolve gelatin in hot water and chill until partially set. Whip until light and fluffy. Add lemon juice and sugar. Whip chilled milk and fold into gelatin mixture. Line bottom of 9×13 inch pan with crumbs. Pour over gelatin mixture. Top with remaining crumbs and chill until firm. Cut in squares.
Serves 12 and can be made the night before.