Roast the garlic bulbs by drizzling them with olive oil and baking for 15-20 minutes at 200°C/390°F.
In a pan, combine the roasted garlic, white miso paste, unsalted butter, and chili powder or flakes.
Add 5-6 tablespoons of pasta water to the pan and mix well to create a creamy sauce.
Season with salt and pepper to taste.
Cook the pasta according to package instructions.
Toss the cooked pasta with the roasted garlic miso sauce until well coated.
