Heat the olive over medium heat in a large, deep skillet. Sauté garlic for 30 seconds or until fragrant.
Add chili flakes and crab legs to the pan and sauté an additional minute. Pour white wine into the pan to deglaze. Increase heat to high and bring to a boil then cover with a lid to allow crab legs to steam and warm through about 2-3 minutes.
Toss in pasta along with reserved cooking liquid and lemon juice. Season with salt and pepper to taste.
Serve crab linguine in a large pasta bowl and garnish with minced parsley and Parmigiana Reggiano to taste.
Are Snow Crabs always precooked?
Yes. Because of this, they should be cooked for 3-4 minutes max.