Spaghetti Bolognese dengan Kompor Tekanan

Bahan-bahan (6 porsi)

• 1 carrot ((3.2 oz, 90 g))
• 1 rib celery ((3.5 oz, 100 g))
• 1 onion ((8.5 oz, 240 g))
• 2 cloves garlic
• 6 button mushrooms
• 8 oz ground beef chuck ((about 20% fat))
• 4 oz ground pork ((about 20% fat))
• 2 Tbsp extra virgin olive oil
• 1 bay leaf
• ¼ cup red wine ((4 Tbsp))
• 1 28 -oz can whole peeled or crushed tomato and juice ((800 ml))
• ¼ cup chicken or vegetable stock ((4 Tbsp))
• 2 tsp dried oregano
• 2 tsp dried basil
• 1 Tbsp unsalted butter
• 2 tsp Diamond Crystal kosher salt ((and more to taste))
• freshly ground black pepper
• 1½ lb spaghetti ((4 oz, 113 g of pasta per person))
• 1½ Tbsp Diamond Crystal kosher salt ((for boiling the pasta))
• Parmigiano-Reggiano or Parmesan cheese
• parsley ((I actually love using cilantro instead of parsley. Have you tried it? So good!))