→ Pasta
01 - 9 ounces penne or fusilli pasta
→ Seafood
02 - 7 ounces peeled shrimp
03 - 5 ounces squid, cleaned and sliced into rings
04 - 5 ounces scallops or white fish, cut into bite-sized pieces
→ Vegetables
05 - 1 small onion, finely chopped
06 - 2 cloves garlic, minced
07 - 3.5 ounces shiitake mushrooms, sliced
08 - 2 ounces spinach leaves, chopped
→ Sauce
09 - 2 tablespoons unsalted butter
10 - 2 tablespoons all-purpose flour
11 - 1 2/3 cups whole milk
12 - 2 tablespoons Japanese mayonnaise (such as Kewpie)
13 - 2 teaspoons soy sauce
14 - 1 teaspoon mirin
15 - 1 teaspoon dashi powder (optional)
16 - Salt and white pepper, to taste
→ Topping
17 - 1/2 cup panko breadcrumbs
18 - 1/4 cup grated Parmesan cheese
19 - 1 tablespoon melted butter
20 - 1 tablespoon chopped fresh parsley (optional)