Sous Vide Calamari Fra Diavolo

Ingredients

• 1 pound squid, cleaned
• 1/4 teaspoon cayenne or other chile powder
• Kosher salt and freshly ground black pepper
• 1/2 cup extra-virgin olive oil
• 9 cloves garlic, 4 cloves smashed and 5 cloves minced
• 4 tablespoons unsalted butter
• 5 sprigs thyme, leaves minced
• 1/2 to 1 teaspoon red pepper flakes, plus extra for serving
• 1 (28-ounce) can plum tomatoes, crushed
• Ice for ice bath
• Bread or pasta, for serving
• Chopped parsley, for serving