Cream Cheese Lemon Bars . Oh man I love lemon.  -		 1 box lemon cake mix -		 1/3 cup butter or margarine - softened -		 1 egg -		 8 ounces cream cheese - softened -		 1 cup powdered sugar -		 1/2 lemon - grated -		 2 tablespoons lemon juice or 1/2 fresh squeezed lemon -		 2 eggs -		 1 teaspoon vanilla
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