Baked French Toast Casserole with Streusel

INGREDIENTS

For the Streusel:

2 cups

packed light brown sugar

1 cup

chopped pecans

1/2 cup

salted butter, sliced (1 stick)

4 tsp

ground cinnamon

For the Casserole:

to 13 cups cubed, hearty bread (I use hearty wheat)

large eggs

3 cups

whole milk

1/2 cup

white sugar

1/2 tsp

salt

4 tsp

good vanilla extract

Pure maple syrup for serving