1 loaf Italian bread, cut into 1 1/2-inch cubes
1 (10 ounce) box frozen chopped spinach,
    thawed and squeezed to remove excess liquid
1 (4 ounce) stick pepperoni, quartered
    lengthwise and thinly sliced crosswise
1 large tomato, cored and diced
1 cup shredded mozzarella cheese
1/2 teaspoon Italian seasoning
4 eggs
1 cup half-and-half
1/2 teaspoon salt
1/2 teaspoon pepper

Coat shallow 12 x 7-inch baking dish with nonstick cooking spray. Toss together bread, spinach, pepperoni, tomato, cheese and Italian seasoning in large bowl. Spread evenly in prepared dish.

Whisk together eggs, half-and-half, salt and pepper in a bowl. Pour evenly over bread mixture. Cover with plastic wrap. Refrigerate at least 2 hours or overnight.

Preheat oven to 425 degrees F.

Remove dish from refrigerator. Let stand 5 minutes.

Remove plastic wrap; cover with foil. Bake for 15 minutes. Uncover; bake 15 minutes. Let cool slightly and serve.