In a large bowl, whisk together the eggs, milk, heavy whipping cream, vanilla, ground cinnamon and sugar.
Cut the bread loaf into 1” cubes and add them to the egg mixture. Stir to generously soak the bread then transfer to 9x13 casserole baking dish.
Pour any remaining egg mixture over bread and arrange bread evenly, patting down if needed.
Sprinkle the top with sliced almonds, cover and bake at 350˚F for 20 minutes then uncover and bake another 15-20 minutes, until tops of bread are crispy.
Meanwhile, prepare cream cheese drizzle: beat cream cheese until creamy. Add the powdered sugar, vanilla and milk and beat until thick and drizzling consistency
To serve, top with fresh berries and use a teaspoon to drizzle cream cheese over the French Toast Casserole.