Foryoueats: Curry Doria (Rice Gratin)

Ingredients

• ½ onion
• 1 rib celery
• 1 carrot
• 2 cloves garlic
• 1 Tbsp extra virgin olive oil
• 1 bay leaf
• 6 oz ground beef
• 6 oz ground pork
• Diamond Crystal kosher salt
• freshly ground black pepper
• 1 Tbsp Japanese curry powder
• 1½ cups chicken or vegetable stock
• 2 Tbsp tonkatsu sauce (or make my Homemade Tonkatsu Sauce)
• 2 Tbsp ketchup
• 2 Tbsp unsalted butter (divided)
• ½ cup Mozzarella cheese (2 oz; or use another cheese like Gruyere or Parmesan)
• ½ cup Romano cheese (2 oz; or use another cheese like Gruyere or Parmesan)
• 2 Tbsp panko (Japanese breadcrumbs)
• parsley (chopped, for garnish)
• For Cooking the Rice:
• 600 ml water