

Preheat oven to 350F with rack in middle.
Whisk together cream, pumpkin, milk, sugar, eggs, yolk, salt, and spices in a bowl.Toss bread cubes with butter in another bowl, then add pumpkin mixture and toss to coat.
Transfer to an ungreased 8-inch square baking dish and bake until custard is set, 25 to 30 minutes.