Classic Spaghetti Puttanesca

Name: Classic Spaghetti Puttanesca
Ingredients: 1⁄3 cup extra-virgin olive oil; 3 whole large garlic cloves, thinly sliced; 6 whole fillets oil-packed anchovies; 1 whole 14-oz. can crushed tomatoes; 6 whole cherry tomatoes, quartered; 3⁄4 cup mixed green and black olives (3 ½ oz.), sliced; 3 tbsp. large, salt-packed capers, soaked 15 minutes in water, then drained; 1⁄2–1 tsp. red pepper flakes; 1 sprig fresh oregano; Kosher salt; 1 lb. spaghetti; Coarsely chopped Italian parsley, for serving