1 (14 1/2 oz.) can evaporated milk
1 3/4 c. hot water
1/4 c. lemon juice
2 1/2 c. vanilla wafer crumbs, or graham cracker crumbs
1 (4 oz.) lemon or lime Jello
1 c. sugar
1/2 stick butter, melted
1/2 c. pecans, chopped

Line 13 x 9 x 2 inch Pyrex dish with melted butter and crumb mixture. Chill can of milk until icy cold. Dissolve Jello in hot water and chill until almost set. Whip Jello mixture until light and fluffy. Add lemon juice and sugar. Whip chilled milk and fold into Jello mixture. Pour into dish and top with chopped pecans. Chill until set. Cut into squares.