Cauliflower Baked Macaroni and Cheese

Ingredients (17)

• Veggies:
• 1 Full head of cauliflower, cut into flourets
• 1 14oz can diced tomatoes
• 1/2 cup thinly sliced green onions
• Cheese Sauce:
• 2 Tablespoons flour
• 5 Tablespoons butter, divided
• 1 cup heavy cream
• 1 cup milk
• 3 cups good cheese (I used Gruyere, some swiss, maybe a bit of cheddar.)
• 1/2 cup Parmesan
• 1 cup Sour cream (or Greek Yogurt. The original calls for Creme fraiche which is nice if you can get it).
• 1 Tablespoon Dijon mustard (opt.)
• Other stuff you need:
• 1 pound penne
• 1 cup breadcrumbs
• Salt and pepper