Herb-Crusted Roast Beef with Caramelized Sweet Potatoes Step-by-step instructions

Before you start

Before beginning, ensure all ingredients are at room temperature to promote even cooking. Preheat the oven fully to 400°F (200°C) before placing the tray inside, as this initial blast of heat is necessary for searing the beef and starting the caramelization of the potatoes.

Have a clean cutting board and a sharp knife ready for slicing the meat once it has finished resting. Ensure the baking sheet is large enough to hold all items in a single layer for optimal results.

Instructions

Preparation and Seasoning

1. 1Prepare the Ingredients
   Preheat the oven to 400°F (200°C). Peel the sweet potatoes and cut them into uniform 1-inch cubes to ensure even roasting. Pat the beef roast dry with paper towels. In a small bowl, combine the chopped fresh herbs. Rub this mixture thoroughly over all sides of the beef roast, pressing it firmly into the surface so it adheres well.
   Look for The beef is evenly coated with the herb mixture and the potatoes are cut into uniform cubes.
   Tip Dry the meat thoroughly before applying the herbs to get a better crust.

At the end of this phase, the beef is uniformly coated in a thick, fragrant herb paste, and the sweet potatoes are cubed and ready for the oven. Check that the oven has reached the target temperature of 400°F (200°C) before proceeding. The kitchen should smell faintly of fresh herbs, and the ingredients should be prepared with consistent sizing to ensure they will cook evenly within the designated timeframe on the baking sheet.

Roasting

2. 2Roast the Beef and Potatoes
   Place the herb-crusted roast in the center of a large baking sheet. Arrange the cubed sweet potatoes in a single layer around the beef. Place the baking sheet in the preheated oven and roast for approximately 50 to 60 minutes. Use a meat thermometer to ensure the beef reaches an internal temperature of 145°F (63°C). Once done, remove from the oven and let the meat rest at least 3 minutes before slicing.
   Look for The sweet potatoes are fork-tender and caramelized at the edges, and the beef is cooked through.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip If the sweet potatoes cook faster than the beef, remove them from the pan and keep warm while the beef finishes.

The roast is done when the potatoes are tender and golden, and the beef reaches an internal temperature of 145°F (63°C). The meat should look crusted and firm, while the potatoes should show signs of caramelization on the edges.

The pan juices should be bubbling and aromatic. Check the doneness carefully with a thermometer, as oven temperatures can vary, ensuring the meat is cooked through but not overdone, maintaining its succulent and juicy quality.

Resting and Slicing

3. 3Rest and Serve
   Transfer the roast to a cutting board. Let the meat rest for at least 10 minutes before slicing to allow the juices to redistribute throughout the roast. While the beef rests, give the sweet potatoes a quick toss on the sheet to pick up any flavorful pan juices. Slice the beef into thick, juicy portions and serve alongside the roasted sweet potatoes on warm plates.
   Look for The juices have settled and the beef is easy to slice into tender portions.
   Tip Use a sharp carving knife to ensure clean slices without tearing the tender meat.

After resting for 10 minutes, the beef is ready to be carved into thick, juicy slices. The resting period is critical, as it allows the internal temperature to stabilize and the meat fibers to relax, ensuring every bite is tender. Check that the potatoes are tossed in the pan juices to pick up extra flavor before serving. The roast should be easy to slice, with the herb crust remaining intact on the surface of the meat.

Common mistakes

Avoid overcrowding the baking sheet, as this prevents proper air circulation and causes the ingredients to steam rather than roast. Steaming results in pale potatoes and a soggy beef crust. Another common mistake is slicing the meat immediately upon removing it from the oven.

Failing to let the roast rest for at least 10 minutes leads to the loss of flavorful juices, resulting in dry, tough slices. Always ensure the meat thermometer is inserted into the center of the roast for an accurate reading.

How to tell it’s done

The beef is properly cooked when it reaches an internal temperature of 145°F (63°C) for medium-rare, measured at the thickest part of the roast using a reliable meat thermometer.

At this stage, the exterior should be dark and fragrant with herbs, and the interior should be pink, tender, and juicy. The sweet potatoes should be easily pierced with a fork and exhibit a deep golden-brown color on their edges, indicating they are fully caramelized and tender throughout.

• Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest