• 1 cup Castelvetrano olives, crushed, pits removed
• 2 Tbsp. drained capers
• 0.25 cup extra-virgin olive oil, plus more for drizzling
• 12 oz. spaghetti
• 0.25 cup finely chopped parsley
• 3 Tbsp. unsalted butter, cut into pieces
Steps
Step 1Pulse beefsteak tomatoes, garlic, red pepper flakes, and 2 tsp. salt in a food processor until smooth; transfer sauce to a large bowl and mix in cherry tomatoes, olives, capers, and ¼ cup oil.
Step 2Cook spaghetti in a large pot of boiling salted water, stirring occasionally, until al dente. Drain pasta, reserving ¼ cup pasta cooking liquid.
Step 3Add pasta, parsley, and butter to sauce. Toss vigorously with tongs, adding a splash of pasta cooking liquid or more as needed to create an emulsified sauce that coats pasta. Divide among bowls and drizzle with more oil.