Spaghetti with Cockles in White Clam Sauce

Ingredients

• 4 oz cockles or other small clams
• 8 oz clam juice
• ¼ cup cornstarch
• 3 tbsp Colavita Extra Virgin Olive Oil
• 2 tbsp unsalted butter
• ⅓ cup finely chopped sweet onion
• ¼ tsp red pepper flakes
• 3 tbsp finely chopped garlic
• 1 cup white wine
• ¼ cup fresh lemon juice
• 1 cup quartered cherry, grape, or small heirloom tomatoes
• 3 tbsp finely chopped parsley, plus more for serving
• freshly ground black pepper
• 1 lb Colavita Spaghetti, cooked to al dente according to packaging