Brunch Casserole

2 boxes Betty Crocker™ Seasoned Skillets® hash brown potatoes
1 1/2 lb bulk spicy pork sausage
2 medium red bell peppers, chopped (2 cups)
8 medium green onions, chopped (1/2 cup)
1 cup shredded Cheddar cheese (4 oz)
1 cup shredded pepper Jack cheese (4 oz)
2 cups milk
1/2 teaspoon salt
1/2 teaspoon pepper
6 eggs
Chopped fresh cilantro, if desired