Cheesy Cauliflower Bake | America's Test Kitchen

Ingredients

• 3 slices hearty white sandwich bread, torn into pieces
• 1 cup shredded extra-sharp cheddar cheese
• 1 cup shredded Monterey Jack cheese
• 4 tablespoons unsalted butter, melted
• 3 garlic cloves, minced
• Salt and pepper
• 2 tablespoons all-purpose flour
• 1 1/4 cups heavy cream
• 3/4 cup low-sodium chicken broth
• 2 large heads cauliflower, trimmed and cut into 3/4-inch florets (about 12 cups)
• 2 teaspoons dry mustard
• 1 teaspoon dried thyme