Ingredients
Scale
- Vegetable spray
- 1 (14 ounce) loaf challah bread, cut into 1-inch pieces (12 cups)
- 2/3 cup golden raisins
- 5 teaspoons dark rum
- 21/2 cups heavy cream
- 21/2 cups whole milk
- 9 large egg yolks
- 3/4 cup plus 1 tablespoon granulated sugar
- 4 teaspoons vanilla extract
- 3/4 teaspoon salt
- 2 tablespoons light brown sugar
- 1/8 teaspoon ground cinnamon
Instructions
- Line slow cooker with aluminum foil collar, then line with foil sling and coat with vegetable oil spray.
- Adjust oven rack to middle position and heat oven to 225°F.
- Spread bread over rimmed baking sheet and bake, shaking pan occasionally, until dry and crisp, about 40 minutes.
- Let bread cool slightly, then transfer to very large bowl.
- Microwave raisins and rum in small bowl until hot, about 20 seconds.
- Let mixture cool slightly, then toss with dried bread; transfer to prepared slow cooker.
- Whisk cream, milk, egg yolks, ¾ cup granulated sugar, vanilla, and salt together in bowl, then pour mixture evenly over bread.
- Press gently on bread to submerge.
- Mix remaining tablespoon granulated sugar, brown sugar, and cinnamon together, then sprinkle over top of casserole.
- Cover and cook until center is set, about 4 hours on low.
- Let cool for 30 minutes before serving.