- 1
Preheat oven to 375°F. Coat a 9x13-inch casserole dish with cooking spray and set aside.
- 2
Melt butter in a large skillet over medium heat. Add onion, celery and green onions; cook, stirring occasionally, until vegetables are softened, about 5 to 7 minutes. Add chives, garlic and black pepper. Cook, stirring constantly, for about 2 minutes, or until very fragrant. Remove pan from heat.
- 3
In a large bowl, whisk together eggs and stock. Mix in onion mixture and then fold in bagel cubes, capers, dill and Everything Bagel Seasoning until ingredients are evenly coated. Pour mixture into prepared casserole dish.
- 4
Bake until heated through and golden brown, about 30 minutes. Serve with additional Everything Bagel Seasoning if desired.