Line a 9x13 pan with whole graham crackers.

Mix together:

1 can sweetened condensed milk
1 c. coconut
Juice of 2 lemons - rind of one

Spread above mixture on graham crackers then top with whole graham crackers.

Frost with:

1 1/2 c. powdered sugar
1 tbsp. butter
Milk (about 1 tbsp.)