INGREDIENTS 3 tbsp. butter, plus more for pan 1 small yellow onion, finely chopped 3 tbsp. all-purpose flour 1 tsp. sweet paprika 3 c. whole milk Kosher salt Freshly ground black pepper 2 c. diced cooked ham 2 1/2 lb. russet potatoes, peeled and sliced into 1/4″-thick rounds 2 c. shredded cheddar Freshly chopped chives, […]