Cauliflower Casserole

This cauliflower casserole is filled with delicious umami flavor, thanks to fresh mushrooms, sweet onions, and garlic.

Topped with Swiss and Gruyère cheeses, French fried onions, and torn Italian bread make for a delicious topping that is reminiscent of French onion soup.

Cheesy Grilled Sheet Pan Cauliflower and Onions

I could not stop eating this cheesy cauliflower. It is so delicious, with simple ingredients, and is easy to make on your grill, smoker, air fryer, or oven.