To begin, ensure that the beef fillet or steaks are at room temperature, as this promotes even cooking. Using kitchen paper, pat the meat dry to remove any excess moisture.

If you're working with a whole fillet, carefully slice it into individual steaks, aiming for a thickness between 2-3.5cm.

Next, create a flavorful herb rub by combining minced garlic with dried rosemary and oregano. Massage this aromatic mixture onto both sides of the steaks, ensuring an even coating.

Afterward, lightly brush the seasoned steaks with olive oil, which not only enhances flavor but also helps achieve a beautiful sear during cooking.

Finally, generously season the steaks with sea salt flakes and freshly ground black pepper to elevate their taste profile.

Once the steaks are properly seasoned, it's time to heat a pan over medium-high heat. Brush the pan lightly with olive oil to prevent sticking.

When the pan is hot, carefully add the seasoned beef steaks, making sure not to overcrowd the pan. If necessary, cook the steaks in batches to ensure even cooking.

Sear the steaks on one side until a golden brown crust forms, typically taking around 3-4 minutes. Resist the temptation to flip the steaks too soon; allowing them to develop a crust will enhance their flavor.

After achieving the desired sear, carefully flip the steaks using tongs and cook the other side for an additional 3-4 minutes. Remember, it's crucial to turn the steaks only once during cooking to prevent them from becoming tough.

Once both sides are beautifully seared and the steaks are cooked to your preferred level of doneness, remove them from the pan and transfer them to a clean plate.

While the beef steaks are resting, it's the perfect time to prepare the tantalizing Sriracha butter.

In a bowl, combine softened butter with Sriracha sauce, adjusting the amount according to your desired level of spiciness. For added depth of flavor and texture, finely chop spring onions and incorporate them into the butter mixture.

If you prefer, you can also add a touch of freshness by mixing in chopped fresh mint or basil. Stir all the ingredients together until well combined, creating a smooth and flavorful butter sauce.

Now that the beef steaks have had a chance to rest, it's time to plate and serve them. Arrange the steaks on individual plates or a serving platter, taking care to drizzle any juices that have accumulated on the plate over the steaks for added moisture and flavor.

Generously dollop the prepared Sriracha butter over each steak, allowing it to slowly melt and mingle with the warm meat, creating a rich and savory sauce.

Serve the beef eye fillet steaks alongside your favorite accompaniments, such as roasted vegetables or mashed potatoes, and enjoy a memorable dining experience for two.