1/4 cup sugar
1 1/4 cups graham cracker crumbs
1 (14 oz) can sweetened condensed milk
1 (12 oz) pkg white chocolate chips
1 (4 oz) bar white chocolate, coarsely chopped
2 Tbsp grated lime zest
1/4 cup lime juice
Preheat oven to 375. Line an 8 inch baking dish with foil. Grease sides and bottom of foil with nonstick cooking spray. Stir together melted butter and sugar in a bowl until sugar is dissolved. Stir in graham cracker crumbs. Press mixture into bottom of prepared baking dish. Bake until edges are lightly browned, about 5-8 minutes. Transfer to a wire rack and let cool about 30 minutes. Meanwhile, stir together condensed milk, white chocolate chips, and chopped white chocolate in a saucepan over medium heat until chocolate is melted. Remove pan from heat; stir in lime zest and juice. Pour mixture over cooled crust. Cover with plastic wrap and chill at least 2 hours. Lift fudge from dish using foil; peel foil away and then cut into 1x2 inch pieces. Store in airtight container in refrigerator.
Makes 32 pieces