Overnight Pumpkin French Toast Casserole with Pecan Streusel
Imagine waking up to the warm scent of cinnamon, nutmeg, and toasted pecans wafting from the oven without flipping a single slice at the stove. This Overnight Pumpkin French Toast Casserole layers buttery brioche cubes soaked in velvety pumpkin-spice custard under a crunchy brown sugar pecan streusel that bakes to golden perfection.
Custardy pumpkin-soaked brioche crowned with crunchy brown sugar pecan streusel.
Whether you bake it right away after a 20-minute soak or assemble it the night before for a stress-free weekend brunch, the contrast between the pillowy interior and crisp caramelized top is unmatched. Fans of our Cozy Apple Cinnamon Baked Oatmeal and Old-Fashioned Apple Crisp will fall head over heels for this crowd-pleasing autumn breakfast bake.
Why You’ll Love This Recipe
Time / Speed: 15 minutes of prep—can be baked immediately or chilled overnight for effortless morning hosting.
Cleanup / Ease: No standing over a hot griddle; one 9×13-inch baking dish feeds 8 to 10 people at once.
Dietary / Nutritional Benefit: Real pumpkin puree adds vitamin A and natural creaminess without requiring heavy cream alone.
Culinary / Flavor Profile: Rich pumpkin pie custard, buttery brioche, warm autumn spices, and toasted pecan crunch.
Key Ingredients & Smart Swaps
Cubed brioche bread, pure pumpkin puree, eggs, pecans, and warm spices ready on a quartz counter.
Day-Old Brioche or Challah Bread: Sturdy, eggy breads soak up the pumpkin custard like a sponge without turning mushy. French bread or sourdough also work well.
100% Pure Pumpkin Puree: Use unsweetened canned pumpkin puree so you control the exact sweetness and spice balance.
Whole Milk & Half-and-Half: Creates a rich, silky custard that sets like bread pudding inside. Swap for almond or oat milk for a lighter option.
Dark Brown Sugar & Pumpkin Pie Spice: Infuses the custard and streusel with deep molasses warmth.
Chopped Pecans: Adds irresistible nutty crunch to the streusel topping.
Step-by-Step Cooking Walkthrough
1. Cube & Arrange the Brioche: Grease a 9×13-inch ceramic baking dish with butter. Cut the brioche loaf into 1-inch cubes and spread evenly into the dish. (If your bread is super fresh, toast the cubes at 300°F for 8 minutes first so they drink up the custard.)
2. Whisk the Spiced Pumpkin Custard: In a large spouted bowl, whisk together the eggs, milk, half-and-half, pumpkin puree, brown sugar, maple syrup, vanilla extract, pumpkin pie spice, and cinnamon until smooth.
Pouring the velvety pumpkin spice custard evenly over the cubed brioche bread.
3. Soak & Top with Pecan Streusel: Pour the pumpkin custard evenly over the bread cubes, pressing gently with a spatula so every piece is coated. Let soak for 20 minutes on the counter (or cover and refrigerate overnight). Mix the flour, brown sugar, cinnamon, pecans, and cold cubed butter into a crumbly streusel and scatter over the top.
4. Bake Until Golden & Puffed: Bake uncovered at 350°F (175°C) for 35 to 40 minutes until the center is puffed and set and the pecan streusel is deeply caramelized. Dust with powdered sugar and serve warm with pure maple syrup.
3 Chef Secrets for Perfect Results
1. Dry Out Fresh Bread Briefly: Slightly stale or lightly toasted bread cubes absorb 30% more custard without collapsing into a soggy layer at the bottom of the pan.
2. Add Streusel Right Before Baking: If making this casserole overnight, store the pecan streusel in a separate zip-top bag in the fridge and sprinkle it on right before sliding the dish into the oven for maximum crunch.
3. Tent with Foil if Browning Quickly: If your pecans and bread tips are deeply golden at the 25-minute mark, lay a loose sheet of foil over the top for the final 10 minutes.
What to Serve With Pumpkin French Toast Casserole
Served restaurant-style with warm maple syrup, fresh berries, and morning coffee.
Savory Protein Side: Crispy oven-baked thick-cut bacon, maple breakfast sausage links, or a veggie frittata.
Fresh Fruit Contrast: A bowl of fresh raspberries, blueberries, and sliced pears to balance the sweet spice.
Refrigeration: Store leftover baked squares tightly covered in the refrigerator for up to 4 days.
Gentle Reheating: Warm individual portions in the microwave for 45 seconds or in a 350°F oven for 10 minutes until heated through.
Freezing Guidelines: Bake and cool completely, then wrap individual squares and freeze for up to 2 months. Thaw overnight in the fridge and reheat in the oven!
1loaf (14-16 oz)day-old brioche or challah bread, cut into 1-inch cubes
6largeeggs
1 1/2cupswhole milk
1/2cuphalf-and-half or heavy cream
1cup100% pure pumpkin puree
1/3cuppacked dark brown sugar
2tbsppure maple syrup
2tsppure vanilla extract
2tsppumpkin pie spice
1tspground cinnamon
1/2cupall-purpose flour
1/2cuppacked dark brown sugar
1tspground cinnamon
1/2cupchopped pecans
1/4cup (4 tbsp)cold unsalted butter, cubed
Method
Grease a 9×13-inch baking dish with butter and spread the cubed brioche bread evenly inside.
In a large bowl, whisk together the eggs, milk, half-and-half, pumpkin puree, brown sugar, maple syrup, vanilla, pumpkin pie spice, and cinnamon until smooth.
Pour the pumpkin custard evenly over the bread cubes and press gently so all pieces are soaked. Rest for 20 minutes (or cover and chill overnight).
Mix flour, brown sugar, cinnamon, and pecans in a small bowl; cut in the cold butter until crumbly and scatter over the casserole.
Bake uncovered at 350°F (175°C) for 35-40 minutes until golden brown and set in the center. Serve warm with maple syrup!
Do I have to soak this French toast casserole overnight? No! While soaking overnight is great for prep-ahead mornings, soaking for just 20–30 minutes at room temperature works beautifully if you want to bake it the same morning.
What is the best bread for French toast casserole? Brioche and Challah are top choices because their rich, eggy crumb holds up to custard. Sourdough or French baguette are great less-sweet options.
Can I make this dairy-free? Yes—substitute full-fat canned coconut milk and almond milk for the dairy, and use plant-based butter in the pecan streusel.
Pin This Recipe for Later
Love this recipe? Save this pin to your Pinterest board so you have it ready whenever you need it!
Lily Coleman
Get Top 5 Lunch Recipes
Our Top 5 Dinner Recipes feature the most delicious and satisfying meals that are simple to make and impossible to forget.
At Recipe Blog Tips, we believe that cooking should be fun, simple, and full of flavor. Our recipes are made for everyone, from beginners to seasoned cooks using ingredients you can easily find at home.
