Ingredients for - Cheesy Cauliflower Gratin with Bacon Bread Crumbs

1. 2 tbsp. unsalted butter, plus more for baking dish
2. 1 large head cauliflower, cut into florets
3. 3 tbsp. flour
4. 2 c. warm milk
5. 3/4 c. grated Gruyere, divided
6. 3/4 c. shredded white cheddar, divided
7. Kosher salt
8. Freshly ground black pepper
9. pinch of ground nutmeg
10. 4 slices bacon
11. 1/2 c. panko bread crumbs
12. 1/4 c. freshly grated Parmesan
13. 2 tsp. fresh thyme
14. 2 tbsp. extra-virgin olive oil

How to cook deliciously - Cheesy Cauliflower Gratin with Bacon Bread Crumbs

1 . Stage

Preheat oven to 375° and butter a 9"-x-13" baking dish.

2 . Stage

Bring a large pot of salted water to a boil. Boil cauliflower for 5 minutes, then drain.

3 . Stage

In a saucepan, melt butter over medium-high heat. Add flour, and stir constantly until lightly browned, 4 minutes.

4 . Stage

Stir in warm milk, whisking constantly, and bring to a boil. Reduce heat to low and simmer until thick, 8 minutes. Whisk in 1/2 cup Gruyere and 1/2 cup cheddar. Season with salt and pepper and nutmeg.

5 . Stage

Meanwhile, in a large skillet over medium heat, cook bacon until crispy, 6 to 8 minutes. Transfer to a paper towel-lined plate to cool, then crumble and add to a small bowl with panko bread crumbs, Parmesan, and thyme. Season with salt and pepper.

6 . Stage

Arrange cauliflower in buttered baking dish and pour over cheese sauce. Sprinkle with remaining ¼ cup Gruyere and ¼ cup cheddar and top with bread crumb mixture. Drizzle with olive oil.

7 . Stage

Bake until cheese is bubbling, 20 minutes. Increase heat to broil and broil until bread crumbs are deeply golden,1 minute. Let cool slightly, then serve.