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Homemade apple French toast casserole baked in 9x13 dish
Isaac blogger

Caramel Apple Stuffed French Toast Casserole

A cozy make-ahead breakfast casserole layered with cinnamon apples, custardy brioche, and rich caramel. Perfect for holidays, brunch, or weekend mornings.
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Prep Time 20 minutes
Cook Time 55 minutes
Chill Time 8 hours
Total Time 9 hours 15 minutes
Servings: 8
Course: Breakfast / Brunch
Cuisine: American
Calories:
Ingredients Method Notes

Ingredients
  

  • Apple Filling
  • 2 tbsp unsalted butter
  • 3 medium apples, peeled and diced
  • ¼ cup brown sugar
  • 1 tsp cinnamon
  • ¼ tsp nutmeg
  • Bread Layer
  • 1 loaf brioche or challah, (about 14–16 oz), cut into cubes
  • Custard
  • 6 large eggs
  • 1½ cups whole milk
  • ½ cup heavy cream
  • ¼ cup granulated sugar
  • 2 tsp vanilla extract
  • ¼ tsp salt
  • Topping
  • ½ cup prepared caramel sauce (plus extra for serving)
  • Optional Add-Ins
  • Cream cheese cubes
  • Chopped pecans or walnuts

Method
 

  1. Before You Begin
  2. Preheat and prepare your cookware as needed. Cooking times and results may vary depending on your equipment and ingredients.
  3. Cook Apples
  4. Melt butter in a skillet over medium heat. Add the apples, brown sugar, cinnamon, and nutmeg. Cook for about 6–8 minutes, stirring occasionally, until the apples soften and release their juices while still holding their shape.
  5. Layer Bread & Filling
  6. Grease a 9×13 dish. Add half the bread cubes. Spoon apples evenly on top. Add optional toppings if using. Cover with remaining bread.
  7. Make Custard
  8. Whisk eggs, milk, cream, sugar, vanilla, and salt until completely smooth.
  9. Assemble
  10. Pour custard evenly over bread. Press gently so bread absorbs liquid.
  11. Add Caramel & Chill
  12. Drizzle caramel sauce over top. Cover and refrigerate at least 4 hours or overnight.
  13. Bake
  14. Let casserole sit at room temperature 20 minutes. Bake uncovered at 350°F (177°C) for 45–55 minutes.
  15. Visual cue: center should look set and not jiggle when gently shaken.
  16. Internal temperature should reach about 160°F (71°C) for custard doneness.
  17. Rest & Serve
  18. Rest 10 minutes before slicing. Drizzle with extra caramel if desired.

Notes

  • Use day-old bread so it absorbs the custard evenly without becoming soggy.
  • Avoid oversoaking the bread to maintain a light texture.
  • Bake until the center reaches 160°F (71°C) and is set.
  • Refrigerate leftovers within 2 hours in a covered container for up to 3 days.
  • Reheat until warmed through and steaming.
  • Freeze baked portions up to 2 months; thaw overnight in the refrigerator before reheating.
  • Discard if odor, color, or texture changes.