PRINT the recipe: https://www.wyseguide.com/cauliflower-au-gratin/ If you love scalloped potatoes or potatoes au gratin, then you must try this recipe for cauliflower au gratin! It’s super creamy, filled with a delicious cheese sauce, and topped with crispy breadcrumbs. It’s a great Thanksgiving side dish! INGREDIENTS - 1 head cauliflower (about 2 1/2 to 3 lbs) - 3 tbsp unsalted butter, divided - 1/2 cup diced onion - 4 cloves garlic, minced - 1 tsp kosher salt - 1/2 tsp black pepper - 2 tbsp al