Prepare the Sauce: In a pan, heat a drizzle of olive oil, add parsley stalks and garlic, and let it flavor at low temperature for a couple of minutes.
Add Tomatoes: Add the crushed peeled tomatoes, a pinch of salt, mix, and cover with a vent to cook for half an hour.
Clean the Calamari: Clean the calamari by removing the head, cartilage, and inside. Cut into strips about half a cm thick.
Cook the Calamari: In a heated pan with olive oil and garlic, cook the calamari for a couple of minutes until they curl up.
Deglaze: Remove the garlic clove and add white wine to the pan, allowing the alcohol to evaporate.
Combine with Sauce: Pour the calamari into the tomato sauce, raise the temperature, and let it reduce for 1-2 minutes.
Finish and Serve: Off the flame, add a drizzle of olive oil and chopped parsley leaves, stir, and plate.