18 graham crackers, finely ground
1/2 c. sugar
1 tsp. cinnamon
1/2 c. melted butter

Mix all ingredients together and put in a 9" pie plate. Bake at 375 degrees for about 8 minutes.

FILLING:

2 tbsp. cornstarch
1/2 c. sugar
3 egg yolks
2 c. milk
1 tsp. vanilla

Combine cornstarch and sugar in a saucepan, and then add egg yolks and milk. Blend together. Cook over medium high heat until thick. Remove from heat and pour into cooled pie shell. Serve with whipped cream.