Spray the base of a slow cooker with cooking spray. Add rice and salt.

Bring 3 cups of water, half-and-half, vanilla bean, and sugar to a boil in a saucepan.

Stir into slow cooker.

Cover and cook until rice is tender, about 2 hours on HIGH.

If the pudding is too loose, stir until the liquid is absorbed. If it is too thick, add a little hot water.

Stir in raisins, vanilla, and cinnamon.

Portion into ramekins. Sprinkle sugar over the pudding in a thin layer. Use a kitchen torch to brÁ»lÁ©e the tops of the pudding.