I still remember the first Christmas morning I served this sourdough French toast bake to my family. The house smelled like vanilla and cinnamon, the tree lights were twinkling, and everyone was still in their pajamas—coffee in one hand, fork in the other, waiting for the first bite. That moment cemented this dish as our new holiday tradition. It’s everything you love about classic French toast, but baked into a golden, custardy casserole that feeds a crowd without flipping a single slice at the stove.

What makes this version special is the tang of sourdough bread, which balances the sweetness of maple syrup and creates layers of flavor that taste like holiday magic. You assemble everything the night before, so Christmas morning is as simple as sliding the dish into the oven and pouring another cup of cocoa. Whether you’re hosting extended family or keeping things intimate, this bake turns an ordinary brunch into a memory you’ll replay every December.

Why This Recipe Works

Make-Ahead Magic: Assemble the night before so you can sleep in and still serve a show-stopping brunch.
Sourdough Complexity: The bread’s natural tang cuts through the sweetness for a sophisticated flavor profile.
Feeds a Crowd: One 9×13-inch pan yields 12 generous servings—perfect for holiday houseguests.
Crispy-Edge, Custard-Center Texture: Baked at the ideal temperature for contrast in every bite.
Maple Infusion: Pure syrup is baked into the custard and drizzled on top for layered sweetness.
Customizable Spices: Swap in nutmeg, cardamom, or orange zest to match your family’s tradition.
Freezer-Friendly: Leftover squares reheat beautifully for New Year’s brunch.

Ingredients You'll Need

Great French toast bake starts with bread that can stand up to an overnight custard bath without turning to mush. A rustic sourdough loaf—ideally one that’s 24–48 hours old—brings chew, tang, and airy pockets to soak up the maple-kissed custard. Look for loaves with a blistered crust and an open crumb; avoid super-soft supermarket sourdoughs, which can bake up gummy.

For the custard, I use half-and-half for richness, but whole milk works if you’d like to lighten things slightly. Heavy cream is overkill and can make the bake feel greasy. Eggs provide structure; I blend in two extra yolks for silky tenderness. Pure maple syrup goes both into the custard and over the top—Grade B (now labeled Grade A Dark Color, Robust Taste) delivers deeper flavor than the delicate breakfast syrup you might pour on pancakes. A full tablespoon of vanilla bean paste (or the seeds from one plump pod) perfumes every bite; if you only have extract, use the best quality you can find.

Spice-wise, cinnamon is non-negotiable, but I add a whisper of cardamom for Scandinavian flair. If cardamom isn’t your thing, freshly grated nutmeg is lovely. A pinch of sea salt balances sweetness and amplifies flavor. For the topping, I toss pecans with maple syrup and a touch of melted butter so they toast to candied perfection while the bake cooks; substitute walnuts or skip nuts entirely if allergies are a concern. Finish with a snowfall of powdered sugar and more warm maple syrup at the table.

How to Make Sourdough French Toast Bake with Maple Syrup for Christmas Morning

Cube & Dry the Bread

Cut a 1-pound sourdough loaf into 1-inch cubes. Spread on a rimmed baking sheet and let air-dry at room temperature for 4 hours, or toast in a 300 °F (150 °C) oven for 20 minutes. Slightly stale bread soaks up custard without collapsing.

Whisk the Custard

In a large bowl, whisk 6 large eggs plus 2 yolks, 2 cups half-and-half, ½ cup pure maple syrup, 1 tbsp vanilla bean paste, 1 tsp ground cinnamon, ¼ tsp cardamom, and ¼ tsp sea salt until silky and homogenous. The mixture should coat a spoon.

Assemble the Casserole

Grease a 9×13-inch baking dish with butter. Scatter half the bread cubes, ½ cup chopped pecans, and ½ cup dried cranberries (optional). Top with remaining bread. Slowly pour custard over everything, pressing lightly so every cube is saturated. Cover with foil.

Refrigerate Overnight

Chill 8–24 hours. The long rest allows the custard to fully penetrate the bread and lets the sourdough’s flavor meld with the spices. Set the dish on a rimmed sheet to catch any potential drips.

Prepare the Maple-Pecan Topping

In a small bowl, combine ½ cup chopped pecans, 2 tbsp maple syrup, 1 tbsp melted butter, and a pinch of salt. Cover and refrigerate; this keeps the nuts from burning while the bake cooks.

Bake Low, Then High

Christmas morning, preheat oven to 325 °F (165 °C). Remove foil, scatter maple-pecan topping over the surface, and bake 30 minutes. Increase heat to 375 °F (190 °C) and bake 20–25 minutes more, until puffed, golden, and set in the center.

Rest & Dust

Let the bake stand 10 minutes—this sets the custard and prevents maple syrup from running off. Dust with powdered sugar and serve with warm maple syrup on the side for those who like it extra indulgent.

Expert Tips

Start Cold

Placing the chilled dish into a fully preheated oven prevents over-browning edges while the center catches up.

Maple Pool Test

Insert a paring knife halfway between edge and center; if custard pools, bake 5 more minutes. It should look moist, not soupy.

Extra Crispy Top

Broil on high for 45–60 seconds at the end, watching like a hawk, for bakery-style caramelized peaks.

Flip Halfway

If your oven browns unevenly, rotate the pan 180° when you increase the temperature for perfectly even color.

Sleep-In Trick

Bake the dish the day before, refrigerate portions, then reheat squares at 300 °F (150 °C) for 10 minutes—tastes freshly baked.

Clean Slices

Use a serrated knife dipped in hot water and wiped between cuts for picture-perfect squares that hold their shape.

Variations to Try

Apple-Cheddar: Swap pecans for 1 cup diced Granny Smith apples and ½ cup sharp white cheddar shreds. The sweet-savory combo is outrageously good with maple syrup.
Orange-Cranberry: Add 1 tsp orange zest to custard and replace dried cranberries with fresh for a brighter pop.
Chocolate-Hazelnut: Fold ½ cup Nutella into the custard in ribbons and top with toasted hazelnuts instead of pecans.
Dairy-Free: Use full-fat coconut milk and vegan butter. The bake will taste subtly tropical—delicious with mango on the side.
Bourbon-Maple: Whisk 1 tbsp bourbon into the custard; the alcohol bakes off, leaving smoky depth that pairs beautifully with sausage.

Storage Tips

Refrigerator: Cool leftovers completely, then cover tightly or transfer to airtight containers. Refrigerate up to 4 days. Reheat individual squares in the microwave at 70% power for 45 seconds, or in a toaster oven at 325 °F for 8 minutes to restore crisp edges.

Freezer: Wrap each cooled square in plastic wrap, then foil, and freeze up to 2 months. Thaw overnight in the refrigerator and reheat as above. For best texture, avoid reheating from frozen in the microwave—use the oven method.

Make-Ahead Unbaked: Assemble through Step 4, cover with a double layer of foil, and freeze for up to 1 month. Thaw 24 hours in the refrigerator, add the pecan topping, and bake as directed. Add 10 extra minutes to the initial low-temperature bake if still icy in the center.

sourdough french toast bake with maple syrup for christmas morning

Why This Recipe Works

Ingredients You'll Need