Cauliflower au Gratin Recipe — The Mom 100

Ingredients

• 4 ounces thick sliced bacon or pancetta ((diced))
• 4 tablespoons unsalted butter ((divided))
• 1 cup fresh breadcrumbs ((or panko))
• 3 tablespoons all-purpose flour
• 2 ½ cups half and half or whole milk
• Kosher salt and freshly ground black pepper ((to taste))
• 1 large head cauliflower ((about 3 pounds; cut into florets))
• 1 cup (4 ounces) grated Gruyere cheese ((divided))
• ½ cup (about 1 ounce) grated Parmesan cheese