Steps:
- If you're planning to bake this immediately, preheat the oven to 350 degrees F. If you're prepping this the day before, no need to preheat now.
- In a skillet (or 4-quart braiser that you can put in the oven), heat the butter over medium heat. Add the onion and cook until softened, 5 to 7 minutes.
- Combine the sourdough, mozzarella, Gruyere and kale with the buttery onion mixture, either in a 9-by-13-inch casserole dish or in the braiser.
- In a large bowl, whisk together the milk, cream, mustard, salt, nutmeg, eggs, thyme, hot sauce and a bunch of turns of pepper. Pour into the casserole dish over the bread mixture. Top with another little sprinkle of Gruyere. Cover with foil and bake immediately or refrigerate up to 24 hours.
- Bake, covered, for 30 minutes. Remove the foil and continue to bake until browned on top and set throughout, about another 30 minutes.
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golam moula
[email protected]This was a great recipe! I loved the combination of flavors and textures. The kale was a nice addition and the cheese was melted and gooey.
Jack Moatshe
[email protected]I wasn't sure how I would like this casserole, but I was pleasantly surprised. It was very tasty and the kale added a nice crunch. I will definitely be making this again.
Waheed Jay.A.
[email protected]I've made this casserole several times now and it's always a winner. It's a great way to use up leftover kale and it's always a hit with my family and friends.
Music World
[email protected]This casserole was delicious! The kale added a nice touch of flavor and the cheese was gooey and melted perfectly.
Molahlegi Odney
[email protected]I made this for a brunch party and it was a huge success! Everyone loved it. The flavors were perfect and it was so easy to make.
selina seli
[email protected]This cheesy kale breakfast casserole was a hit with my family! It was easy to make and so delicious. The kale added a nice pop of color and flavor. I will definitely be making this again.