– 3 day-old everything bagels, cut into bite-size pieces (about 6 cups) These form the base, absorbing the egg mixture for a hearty texture and providing that signature everything bagel flavor.

– 1 bell pepper, chopped Adds a fresh, colorful crunch and a dose of vitamins for a nutritious boost.

– 3/4 cup (113g) quartered cherry tomatoes Bring sweetness and juiciness, enhancing the dish with antioxidants while keeping it light and fresh.

– 6 slices cooked bacon, chopped Provides a smoky, protein-packed element that makes the casserole more filling and flavorful.

– 9 large eggs The binding agent that creates the creamy, custardy center, offering high-quality protein for sustained energy.

– 1 and 1/2 cups whole milk Helps create a rich, smooth mixture that soaks into the bagels, making the casserole tender and delicious.

– 1 and 1/2 cups shredded cheese Melts into gooey goodness, adding a savory depth; options like mozzarella or cheddar work great for that cheesy pull.

– 1/2 teaspoon ground mustard Infuses a subtle zing that ties all the flavors together, so don’t skip it for the best taste.

– 1/4 teaspoon salt Enhances the overall seasoning, balancing the richness of the eggs and cheese.

– 1/8 teaspoon freshly ground black pepper Adds a mild kick and depth, complementing the other spices without overpowering them.

– 6 ounces (170g) full-fat brick cream cheese, cut into bite-size pieces Contributes creamy pockets of tanginess that contrast with the crispy top.

– Optional: extra everything bagel seasoning and scallions for garnish Sprinkled on top for added crunch and visual appeal, making your dish look as good as it tastes.