INGREDIENTS
1
jar Italian tuna in olive oil
8 oz
Cremini mushrooms
2 tbsp
Flat-leaf parsley, fresh
1
Onion, medium
1 cup
Chicken broth
8 oz
Pasta shells, medium
1/4 cup
All-purpose flour
1
Kosher salt and freshly ground black pepper
1 1/2 cups
Potato chips, flavored
4 tbsp
Butter, unsalted
2 cups
Cheddar, grated sharp white
2 cups
Whole milk