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–+ servings
Overhead shot of golden-baked key lime cheesecake french toast casserole in a white dish, topped with whipped cream, lime slices, and lime zest

Key Lime Cheesecake French Toast Casserole

A creamy, eggless Key Lime Cheesecake French Toast Casserole made with soft brioche and bright citrus flavor. This easy make ahead brunch recipe is perfect for holidays, hosting, or weekend mornings.
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Prep Time 15 minutes
Cook Time 45 minutes
Servings 8

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 milk divided
  • 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

Method 

  • 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.
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