03/21/2026
Key Lime Cheesecake French Toast Casserole 🍋✨ sweet, creamy, and layered with the softest brioche and little pockets of cheesecake in every bite. And the best part? You can prep it the night before.
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INGREDIENTS
1 loaf brioche bread cut into 1-inch cubes
1 cup whole milk
2 1/4 cups heavy cream divided
14 oz can sweetened condensed milkdivided
2 tbsp cornstarch
1/2 tsp baking powder
1/2 tbsp pure vanilla extract
1/4 tsp salt
8 oz cream cheese softened
1/4 cup + 1/3 cup key lime juice
Whipped cream
Lime zest
Lime slices
INSTRUCTIONS
Grease a 9×13 baking dish and spread the cubed brioche inside.��In a large bowl, whisk together the milk, 1½ cups of heavy cream, all but 1/3 cup of the sweetened condensed milk (set the 1/3 cup portion aside), cornstarch, baking powder, vanilla, salt, and 1/4 cup of key lime juice until fully combined. Slowly and evenly pour the mixture over the cubed brioche, making sure all the pieces are well-saturated.��In a separate bowl, whisk together 3/4 cup heavy cream, the reserved 1/3 cup sweetened condensed milk, softened cream cheese, and 1/3 cup key lime juice until thick and creamy. Drop spoonfuls of the cheesecake mixture over the casserole, gently pressing them into the bread to create creamy pockets throughout.��Cover with aluminum foil and refrigerate overnight (or bake right away).��Preheat oven to 350°F. If chilled overnight, let sit at room temp for 20–30 minutes. Bake covered for 20 minutes, then uncover and bake another 25 minutes until golden.��Let cool slightly, then top each slice with whipped cream, lime zest, and lime slices.�
