Ingredients

• 12 oz (340g) penne pasta, uncooked
• 1 lb (450g) shrimp, peeled and deveined
• 1 lb (450g) boneless chicken breast, cut into bite-sized pieces
• 3 tablespoons olive oil, divided
• 2 tablespoons butter
• 1 small onion, chopped
• 1 garlic clove. minced