Preheat oven to 350* to make the crust break the cracker into crumbs and mix it with sugar and butter press the mixture into a pan and bake until golden brown bout 10 mins and let it cool completely and reduce oven temp to 300*
To make filling: beat cream cheese and sugar in a large bowl with a mixture until smooth me slightly fluffy, bout 3 mins. Beat in eggs one at a time in lemon juice and vanilla.