For the filling, line a 9x5-inch loaf pan with aluminum foil and lightly grease.
Combine all the filling ingredient in a blender and puree until smooth. Pour the puree into a medium saucepan and place over medium heat. Bring to a boil and continue to cook while stirring constantly for 2 full minutes. Be sure to scrape the bottom and sides of the pot with your spatula as you go to preven