Description
Start your morning with this delightful Spinach Florentine Breakfast Casserole! Creamy, cheesy, and packed with nutritious spinach, this dish is perfect for family brunches or a leisurely breakfast. Its make-ahead convenience and crowd-pleasing flavor make it a favorite for any occasion.
Ingredients
- 1 (10-ounce) package frozen chopped spinach, thawed and drained
- 1 tablespoon olive oil (plus extra for greasing)
- 1 medium yellow onion, chopped (about 1 cup)
- 3 garlic cloves, finely chopped
- 1 (8-ounce) container mascarpone cheese (about 1 cup)
- 4 ounces Parmesan cheese, grated (about 1 cup), divided
- 2 teaspoons kosher salt, divided
- 1 teaspoon black pepper, divided
- 10 large eggs
- 1 2/3 cups half-and-half
- 1/4 teaspoon crushed red pepper flakes
- 6 English muffins, split
Instructions
- Prep the Spinach:
- Squeeze out as much moisture as possible from the thawed spinach using a clean kitchen towel.
- Cook Onion, Garlic, and Spinach:
- Heat 1 tablespoon olive oil in a skillet over medium heat.
- Add the chopped onion and sauté for 5 minutes until translucent.
- Stir in the garlic and cook for 30 seconds.
- Add the spinach and cook for 2 minutes until dry. Cool for 5 minutes.
- Prepare Cheese Mixture:
- Reserve 1/4 cup of the spinach mixture.
- In a bowl, mix the remaining spinach with mascarpone cheese, 1/2 cup Parmesan, 1/2 teaspoon kosher salt, and 1/2 teaspoon black pepper.
- Whisk Wet Ingredients:
- In a large bowl, whisk eggs, half-and-half, crushed red pepper, reserved spinach mixture, 1/4 cup Parmesan, and the remaining salt and pepper.
- Assemble the Casserole:
- Grease a 13×9-inch baking dish with olive oil.
- Arrange the English muffin bottoms in the dish.
- Spread the spinach-cheese mixture evenly over the muffins.
- Add the muffin tops and pour the egg mixture over the casserole, pressing down to submerge.
- Sprinkle the remaining 1/4 cup Parmesan on top.
- Refrigerate:
- Cover with foil and refrigerate for at least 1 hour or overnight.
- Bake:
- Preheat oven to 350°F.
- Remove foil and bake for 45 minutes until golden and set.
- Let cool for 10 minutes before serving.
Notes
- Ensure spinach is thoroughly dried to avoid sogginess.
- Use freshly grated Parmesan for the best flavor and texture.
- Adjust seasoning and spice levels to taste.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American