Blueberry Cheesecake
["15 whole graham crackers, crushed", "1/2 c. sugar", "1/4 c. walnuts, chopped (optional)", "1/2 c. butter or margarine, melted"]
["Mix all ingredients together and press into bottom of a 13 x 9 x 2-inch pan.", "Bake at 350\u00b0 for 15 to 20 minutes or until dry and crispy."]
["graham crackers", "sugar", "walnuts", "butter"]