"A casserole that includes all of your favorite bagel toppings from Delish.com...."
Cooking spray
everything bagels, chopped
shredded white cheddar
halved cherry tomatoes
(8-oz.) block cream cheese, cut into 1/2" cubes
red onion, thinly sliced
large eggs
milk
green onions, sliced, plus more for garnish
Kosher salt
Freshly ground black pepepr
Pinch cayenne
poppy seeds
dried minced onion
sesame seeds
dried garlic
coarse salt