Sauteed Scallops with a Spicy Piquillo Pepper Puree

Name: Sauteed Scallops with a Spicy Piquillo Pepper Puree
Ingredients: 1/2 medium onion; 3 medium garlic cloves; 2 medium serrano peppers; 8 large piquillo peppers (1 jar); 1/2 cup fresh cilantro leaves; 2 tablespoons Cajun seasoning; 1 tablespoon smoked, spicy pimenton; 1 teaspoon cayenne pepper; 1 large pinch crushed red pepper flakes; 1 tablespoon lime juice; 3 to 4 tablespoons Spanish extra-virgin olive oil; Kosher salt and freshly ground black pepper; 20 large sea scallops; Kosher salt; Freshly ground black pepper; Cayenne pepper; 4 tablespoons cup extra-virgin olive oil; 1 tablespoon butter; Sprig fresh thyme