Eggs Benedict Casserole

INGREDIENTS

• cooking spray
• 8 large eggs
• 2 cups milk
• 3 green onions, chopped
• 1 teaspoon onion powder
• 1 teaspoon salt
• 3/4 pound Canadian bacon, cut into 1/2-inch dice
• 6 English muffins, cut into 1/2-inch dice
• 1/2 teaspoon paprika
• 1 (.9 ounce) package hollandaise sauce mix
• 1 cup milk
• 1/4 cup margarine