French Toast Casserole

Thick sliced bread (1 loaf ( I used sour dough but any thick slice bread will work))

Eggs (8)

Milk (2 cups)

Half and Half (1/2 cup)

Granulated sugar (1/2 cup)

Brown sugar (1/2 cup)

Vanilla extract (1 tbsp)

Ground cinnamon (1 1/2 tsp)

Butter (1/2 cup ( 1 stick and make sure it's still cold))

Flour (1/2 cup)

Salt (1/4 tsp)

Brown sugar (1/2 cup)

Ground cinnamon (1 tsp)