Preheat the oven to 300 degrees.
In a skillet, add 2 tablespoons butter and heat.
Add onion, persimmon, mushroom, salt, pepper, and herbs. Sauté until the mushrooms and onions are cooked.
While the vegetables are cooking, slice half a loaf of bread into cubes.
Pour the bread into a large bowl.
Add the cooked vegetables.
Melt 4 tablespoons of butter and add to the bowl of bread cubes. Pour in the broth and toss to coat.
Pour the bread mixture into a greased baking dish.
Cover and bake for 20 minutes.
Remove the foil and bake 10 more minutes.