Four Cheese Mac and Cheese

Ingredients

• unsalted butter
• all-purpose flour
• ground mustard
• paprika
• garlic salt, plus a pinch
• whole milk, warm
• heavy cream, warm
• sharp white cheddar cheese, grated
• brie, cubed
• fontina, grated
• sharp cheddar, grated
• chopped fresh parsley
• chopped fresh tarragon
• Kosher salt
• total of grated fontina/sharp/cheddar/white cheddar