This classic roast beef is seasoned with garlic, mustard, and herbs, then roasted until tender and carved across the grain. Serve it as a centerpiece with potatoes and vegetables, and use any leftovers for sandwiches or quick meals; roasting time varies with the cut and its thickness.
Ingredients
- 3 lb (1.36 kg) boneless beef top round or sirloin roast, preferably tied
- 1 tbsp (15 ml) olive oil
- 2 tsp (10 g) kosher salt
- 1 tsp (2 g) freshly ground black pepper
- 2 tsp (10 g) Dijon mustard
- 3 garlic cloves (about 9 g), finely grated or minced
- 1 tsp (1 g) dried thyme, or 1 tbsp (3 g) fresh thyme leaves
- 1 medium yellow onion (about 150 g), cut into wedges
- 1 cup (240 ml) low-sodium beef broth, for the roasting pan and optional gravy
Instructions
- Temper and prepare the roast. Remove the beef from the refrigerator about 30 minutes before cooking; keep it covered and do not leave it out longer than 2 hours total. Pat it dry with paper towels. Heat the oven to 450°F (230°C). Set a rack in a roasting pan; scatter the onion wedges in the pan and pour in the broth.
- Season the beef. Mix the oil, salt, pepper, mustard, garlic, and thyme. Rub the mixture over the roast. Place the beef on the rack, fat side up if it has a fat cap. Tuck any thin end underneath and tie the roast with kitchen twine if needed so it cooks more evenly.
- Roast, then lower the heat. Roast at 450°F (230°C) for 15 minutes to brown the exterior. Without opening the oven for long, reduce the temperature to 325°F (165°C) and continue roasting. Begin checking the center with an instant-read thermometer after about 55 minutes at the lower temperature. Keep the probe away from bone, the pan, and large pockets of fat.
- Cook to temperature, not just time. Roast until the thickest part reaches at least 145°F (63°C), the USDA FSIS safe minimum for a whole cut of beef, then rest the roast for at least 3 minutes. For more even doneness and easier slicing, many cooks choose to roast to 145°F (63°C) and rest for 15 minutes; this recipe allows that longer rest. A 3 lb roast commonly takes about 70–80 minutes at 325°F (165°C) after the initial browning, but shape, starting temperature, and oven differences matter. If it has not reached the target, keep roasting and check every 10–15 minutes.
- Rest and carve. Transfer the roast to a carving board and loosely tent it with foil. Rest for 15 minutes before slicing. Remove the twine, then carve thinly across the grain with a sharp knife. Strain the pan juices if desired and serve them alongside the meat.
- Optional quick pan gravy. After transferring the beef, place the roasting pan over medium heat if it is stovetop-safe, or pour its contents into a saucepan. Skim excess fat, bring the juices to a simmer, and whisk in 1 tbsp (8 g) flour mixed with 2 tbsp (30 ml) cold water. Simmer, whisking, until lightly thickened, about 2–3 minutes. Add a splash of broth if it becomes too thick; taste before adding salt.
Tips
- Choose a suitable cut. Top round is lean and economical; sirloin is generally more tender. A chuck roast is better suited to a covered, slow-braised method than this dry-heat recipe.
- Use a thermometer. Time estimates are only a guide, especially for an irregular roast. Check the thickest part and avoid touching bone or the pan with the probe.
- Slice across the grain. Look for the direction of the muscle fibers and cut across them. Thin slices are easier to chew, particularly with lean top round.
- Mind the salt and drippings. Kosher salt crystals differ in size by brand; if using fine table salt, start with about 1½ tsp (8 g). The broth and drippings can be salty, so season gravy only after tasting.
Serving Suggestions
Serve the slices with roasted potatoes, mashed potatoes, or Yorkshire pudding, plus a green vegetable such as green beans, peas, or Brussels sprouts. Horseradish sauce, Dijon mustard, or the optional pan gravy makes a good accompaniment. For a lighter plate, pair the beef with a crisp salad and warm bread. Keep serving portions modestly sliced so guests can take more without the meat drying out on the platter.
Variations
- Rosemary and pepper: Replace the thyme with 1 tbsp (3 g) chopped fresh rosemary, or 1 tsp (1 g) dried rosemary, and add ½ tsp (1 g) extra black pepper.
- Herb crust: Mix 1 tbsp (3 g) chopped parsley with the garlic and thyme. Press it onto the mustard-coated roast for a fresher, more aromatic crust.
- Red-wine pan sauce: Replace ½ cup (120 ml) of the broth with dry red wine. Simmer the pan juices until the alcohol aroma has cooked off and the sauce reduces slightly; use broth alone if you prefer not to cook with wine.
- Leftover roast beef: Slice chilled beef thinly for sandwiches, or warm slices briefly in hot gravy. Avoid prolonged heating, which can make lean meat tough.
Storage and Reheating
Refrigerate sliced or unsliced beef within 2 hours of cooking, in a shallow airtight container. Cooked roast beef keeps for 3–4 days in the refrigerator at 40°F (4°C) or colder. Freeze well-wrapped portions for about 2–3 months for best quality; thaw in the refrigerator, not on the counter. Reheat leftovers to 165°F (74°C), the safe temperature for reheated leftovers, checking with a food thermometer. For better texture, warm slices covered in a little broth or gravy in a 300°F (150°C) oven, or heat them gently on the stovetop; check the center temperature before serving.
Frequently Asked Questions
Can I use a different cut of beef?
Yes. Sirloin, top round, and eye of round can all be roasted, though tenderness and cooking time vary. A thicker or heavier roast may need longer; use the thermometer rather than relying on the clock. For chuck, choose a braising recipe because its connective tissue benefits from slow, moist cooking.
How long should roast beef cook per pound?
There is no dependable single minutes-per-pound rule: a roast’s shape, thickness, starting temperature, and oven calibration affect timing. Use the recipe’s time as a checkpoint, then cook to the USDA FSIS temperature measured in the center.
Should I cover the roast while it cooks?
No. Leave it uncovered so the exterior can brown. Loosely tent it with foil only after removing it from the oven, while it rests.
Why is my roast beef tough?
It may be overcooked, cut with the grain, or sliced too thickly. Lean cuts are best served no more cooked than needed to meet the safe minimum, then rested and sliced thinly across the grain. A naturally tougher cut may be better braised.
Can I prepare the seasoning ahead?
You can mix the seasoning paste a day ahead and refrigerate it in a covered container. For best results, season the roast shortly before it goes into the oven. If you season the raw beef in advance, keep it refrigerated and never leave it at room temperature for more than 2 hours total.
Can roast beef be served pink?
Color alone cannot confirm safety. A whole cut of beef may remain pink after reaching the USDA FSIS safe minimum of 145°F (63°C), followed by a 3-minute rest. Check with a food thermometer; do not judge doneness by appearance alone.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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