Pumpkin Bread Pudding

heavy cream (240 mL)

pure pumpkin puree (176 g)

milk (120 mL)

sugar (100 g)

eggs

salt (1.25 mL)

pumpkin pie spice (5 mL)

ground allspice (0.6 mL)

cubed (1-inch) French bread (450 g)

unsalted butter, melted (90 g)