Marinated Peppers Pasta Recipe

Ingredients

• 2 red onions, cut into 1/4-inch-thick wedges
• 1 Tbsp. olive oil, plus more for serving
• To taste kosher salt and pepper
• 12 oz. rigatoni
• 1/2 cup grated pecorino romano, plus more for servings
• 1/2 batch marinated peppers (about 1 1/2 cups)
• 1 cup fresh basil leaves, torn