Spinaci alla Romana

Spinaci alla Romana is a traditional dish hailing from Rome. It's usually made with a combination of spinach, butter, olive oil, garlic, raisins, pine nuts, salt, and black pepper. The spinach is cooked in boiling salted water, then drained. The moisture should be squeezed out by hand. The raisins are soaked in warm water, then drained and added to garlic, pine nuts, and spinach sautéed in a mixture of olive oil and butter. The dish is gently fried for a few minutes, then seasoned with salt and black pepper before serving.