In a pot over medium heat, stir together the butter, brown sugar and syrup. Bring to a simmer and then pour over the bottom of the baking pan.
1 Cup Brown Sugar, 1/2 Cup Butter, 2 Tablespoons Corn Syrup
Cut the bread into thick 1” cubes.
1 Loaf Bread
In a large bowl, whisk together the eggs, eggnog, nutmeg, cinnamon and vanilla. Pour over the bread mixture pressing the bread into the mixture wherever it’s not showing.
5 Large Eggs, 1 3/4 Cup Eggnog, 1/2 teaspoon Nutmeg, 1/2 teaspoon Cinnamon, 1 teaspoon Vanilla
At this point you can place the casserole into the fridge covered with foil overnight or preheat the oven to 350 to bake immediately.
If baking, prepare the crumb topping and sprinkle over the top.
Whisk together the flour, brown sugar, white sugar, nutmeg, cinnamon and salt.
1/2 Cup Flour, 1/2 Cup Brown Sugar, 1/8 Cup Sugar, 1/4 teaspoon Nutmeg, 1/2 teaspoon Cinnamon, Pinch Salt
Slowly stir in the melted butter until it is like wet sand.
1/3 Cup Butter
Squeeze in the palm of your hand and then crumble in chunks over the french toast.
Notes
*This recipe is best if prepared the night before. Reheat in the microwave-1 minute per serving, or cover with foil and reheat in 350 degree oven for 30 minutes