No bake Cheese Cake

1 pkg graham crackers                        1/3 cup sugar
½ butter                                              1 can sweetened condensed milk
8 oz cream cheese                               1 teaspoon vanilla
1/3 cup lemon juice

Combine crushed graham crackers, sugar, and melted butter.   Press into pie pan.  Cool in fridge.   Beat together softened cream cheese and milk.  Mix in lemon juice and vanilla.  Pour into shell.  Cool several hours then serve.