• 1 lb Brussels sprouts, about 4 cups before cleaning 16 - 20 medium sized sprouts
• 1 leek, thinly sliced about 1 cup
• 2 cups lightly packed baby spinach leaves roughly chop is not using baby spinach
• 2 Tbsp butter
• 2 Tbsp flour
• 1 ¼ cups milk warmed in microwave
• 2 tsp Dijon mustard
• ¼ cup sour cream
• ¼ cup goat cheese, about half of 113 gram package about half of 113 gram package
• ¾ tsp salt
• ¼ tsp white pepper

Buttered Breadcrumb Topping

• 1 Tbsp melted butter
• ½ cup Panko breadcrumbs
• ¼ cup freshly grated Parmesan cheese plus extra to grate over top
• ¼ tsp salt