Cooking spray
3/4 cup long-grain rice
3 cups milk
3/4 cup granulated sugar
2 tablespoons unsalted butter
1 teaspoon vanilla extract
1/2 teaspoon cinnamon
1/4 teaspoon kosher salt
Cherries and chopped pistachios, for garnish
Cook on HIGH 2 to 3 hours or LOW 4 to 5 hours (follow the directions for your slow cooker, as they may vary depending on the model).