Double Chocolate Ganache and Raspberry Cheesecake 12 oz Raspberry, fresh. 1 Egg. 4 oz Baking milk chocolate. 4 oz Baking white chocolate. 1/2 cup Brown sugar. 2 tbsp Corn starch. 1/2 cup Granulated sugar, White. 3 tsp Vanilla. 1 1/2 cups Graham cracker crumbs. 5 tbsp Butter, unsalted. 3 8oz packs Cream cheese. 1 1/4 cup Double creme. 3 tbsp Sour cream.