-
Preheat the oven to 400 degrees and butter a large baking dish or 4 - 6" cast iron skillets or ramekins.
-
Cook pancetta over medium heat in a dutch oven or large heavy bottomed pot until golden brown, about 5 mins. Remove the pancetta with a slotted spoon to a plate and leave the drippings in the pan.
-
Add the minced shallots to the drippings in the pan and saute until golden, about 3 mins. Add the garlic and cook 2-3 mins minutes more.
-
Add the anchovy paste and dry mustard and stir well. Stir in the white wine and bring to a boil. Reduce to a simmer and allow to cook until reduced by half, 4-5 mins.
-
Add the milk, cream, cheeses, salt, thyme and hot sauce and bring to a simmer. Puree with an immersion blender or blend in a blender until smooth.
-
Stir in the pasta and reserved pancetta and pour into the prepared dish or dishes.
-
Topping: Stir all ingredients to combine and sprinkle over the macaroni and cheese mixture.
-
Bake for 15-20 mins until breadcrumbs are browned and dishes are bubbling.