Creamed Brussels Sprouts With Parmesan and Crispy Panko - Quickie Recipe

Ingredients

• 2 lb (900 g) Brussels sprouts, trimmed and halved
• 1 tablespoon olive oil
• 4 tablespoons (56 g) unsalted butter, divided
• 1 teaspoon kosher salt, plus more to taste
• 1/2 teaspoon black pepper
• 1 large shallot, finely chopped
• 3 garlic cloves, minced
• 1 tablespoon all-purpose flour
• 1/2 cup (120 ml) vegetable broth
• 1 cup (240 ml) heavy cream
• 1 teaspoon Dijon mustard
• 1/8 teaspoon ground nutmeg
• 3/4 cup (75 g) finely grated Parmesan cheese, divided
• 1/2 cup (55 g) shredded Gruyere cheese
• 1/2 cup (30 g) panko breadcrumbs
• 1 tablespoon unsalted butter, melted
• 2 tablespoons chopped fresh parsley