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french toast casserole on a plate next to strawberries
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French Toast Overnight Casserole

French Toast Overnight Casserole is the perfect make-ahead holiday breakfast! Serve this indulgent dish with maple syrup, powdered sugar, and your favorite fruit.
Course Breakfast
Cuisine American
Keyword French toast, french toast casserole, french toast overnight casserole, overnight french toast casserole
Prep Time 10 minutes
Cook Time 20 minutes
Chill Time 8 hours
Total Time 8 hours 30 minutes
Servings 8
Calories 403kcal
Author Emily Bruno

Ingredients

  • 1 cup brown sugar
  • 2 tbsp light corn syrup
  • 1/2 cup butter
  • 1/4 cup granulated sugar
  • 1 tsp cinnamon
  • 1 tsp vanilla extract
  • 6 large eggs
  • 1 cup milk
  • 10 slices bread

Instructions

  • Bring the sugars, butter, corn syrup, and 1/2 tsp. cinnamon to a boil over medium heat in a small saucepan, stirring constantly. 
  • Remove from heat and allow to cool slightly. 
  • Slice the bread in half and arrange in the pan.
  • In a large bowl, beat the eggs, milk, vanilla, and remaining cinnamon together. 
  • Pour the egg mixture evenly over the bread. 
  • Carefully drizzle the caramel mixture over the eggy bread.
  • Cover and refrigerate overnight.
  • Remove from the refrigerator while preheating the oven to 350°F. 
  • Once pan is only slightly cool/room temperature, bake uncovered for 30-35 minutes.

Notes

Do not place a cold glass pan into a hot oven.