Method To make crust Mix together cookie crumbs, mac-nuts, & cinnamon in a bowl, then add melted butter and mix together until well combined. Place crumbs into spring-form pan and lightly press the crumbs evenly over bottom of pan Bake for 10-15 minutes at 350 degrees. Set aside and let cool. Make lilikoi filling Sprinkle gelatin over water and let it sit. In a bowl, beat together the cream cheese and 1/2 C of the sugar. In a double boiler, whisk the egg yolks and remaining 1/2 C of sugar together until pale in color, for about 3-4 minutes Cook the mixture, until it thickens and coats the back of a spoon. Stir in the gelatin off the heat and whisk gently until completely dissolved. Beat the egg mixture into the cheese mixture until well combined. Whip the heavy cream until stiff peaks form. Then fold the whipped cream into the egg mixture until well combined. Pour egg-cheese mixture into the crust & refrigerate for 3-4 hours . (preferably overnight)