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Easy Savory Everything Bagel Breakfast Casserole Recipe for Perfect Brunch

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A comforting and savory breakfast casserole featuring everything bagels, eggs, and a blend of sharp cheddar and mozzarella cheeses, perfect for brunch or any meal.

Ingredients

Scale
  • 4 large everything bagels, cut into 1-inch cubes (day-old preferred)
  • 8 large eggs (room temperature)
  • 2 cups (480 ml) whole milk or half-and-half
  • 1 cup shredded sharp cheddar cheese
  • 1 cup shredded mozzarella cheese
  • 3 tablespoons everything bagel seasoning (sesame seeds, poppy seeds, dried garlic, dried onion, salt)
  • ½ small yellow onion, finely chopped
  • 2 cloves garlic, minced
  • Salt and pepper to taste
  • 2 tablespoons melted butter (for greasing)
  • Optional: ½ cup cooked bacon or sausage, chopped
  • Optional: chopped fresh chives or scallions

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13 inch baking dish with melted butter.
  2. Cut bagels into 1-inch cubes and toss with half of the everything bagel seasoning (1.5 tablespoons).
  3. In a separate bowl, whisk together eggs, milk, salt, and pepper until frothy (about 1-2 minutes).
  4. Add chopped onion and minced garlic to the egg mixture. Stir gently. Add cooked bacon or sausage if using.
  5. Layer half of the bagel cubes in the baking dish. Sprinkle half of the shredded cheddar and mozzarella over the layer.
  6. Add remaining bagel cubes on top, then pour the egg mixture evenly over everything. Press down gently to soak the bagels.
  7. Sprinkle remaining cheese and everything bagel seasoning over the top.
  8. Let the casserole sit at room temperature for 10-15 minutes to absorb the custard.
  9. Bake uncovered for 40-45 minutes until edges are golden and a toothpick comes out clean or with few moist crumbs.
  10. Remove from oven and let cool for 5 minutes before serving.

Notes

Use day-old bagels to prevent sogginess. Let the casserole rest before baking to allow bagels to soak custard evenly. Add 5-10 minutes to baking time if baking from refrigerated. For a crispier top, broil for last 2-3 minutes watching carefully. Adjust salt carefully due to salty everything bagel seasoning.

Nutrition

Keywords: everything bagel casserole, breakfast casserole, brunch recipe, savory casserole, easy breakfast, cheesy casserole

Find it online: https://magnetmeal.com/easy-savory-everything-bagel-breakfast-casserole-recipe-for-perfect-brunch/