Egg Strata

1 pound cooked breakfast sausage (removed from casing)
1 quart half/half
1 dozen eggs
1 tsp salt and pepper to taste
12 slices of fluffy white bread
12 ounces extra sharp shredded cheddar cheese
½ cup thinly sliced scallions

Whisk half/half, eggs, salt and pepper until smooth. Spray a 9x13 inch pyrex or ceramic baking dish with vegetable cooking spray. Line bottom with 6 slices of bread. Scatter half the sausage over the bread, then sprinkle with half the scallions and cheese. Pour 1 cup of egg mixture over top. Repeat layers with remaining bread, sausage, cheese and scallions. Slowly pour remaining egg mixture evenly over top. Cover with plastic wrap and refrigerate overnight.
In the morning, return to room temperature.
Adjust oven rack to middle position.

Bake in preheated 325 degree oven until set, approximately 50 minute. Let stand 8 to 10 minutes, then serve immediately.