Toaster-Oven Herbed Roast Beef
By Nicole KonstantinakosPublished on January 18, 2022
Time
2¼ hours, plus 1 hour refrigerating time
Yield
Serves 8 to 10
Toaster oven setting
Air-fry or convection
Ingredients
Herb Paste and Butter
⅓ cup minced fresh parsley 2 tablespoons minced fresh thyme 1 shallot, minced1 tablespoon extra-virgin olive oil 1 tablespoon Dijon mustard, plus extra for serving4 tablespoons unsalted butter, softenedRoast
1 (3½- to 4-pound) boneless top sirloin roast, fat trimmed to ¼ inch2 tablespoons kosher salt 1 tablespoon pepper 1 teaspoon extra-virgin olive oil Cornichons (optional)Before You Begin
The coarse texture of kosher salt makes it easier to sprinkle evenly over a large roast; if you don’t have kosher salt, you can substitute table salt, but reduce the amount to 1 tablespoon. The air-fry or convection setting helps to achieve more uniform browning; if your toaster does not have these functions, use the standard bake function. Before starting this recipe, confirm your toaster oven allows at least 2 inches of space between the roast and the top heating element.
Instructions
- Combine parsley, thyme, and shallot in bowl. Transfer 2 tablespoons herb mixture to second bowl and stir in oil and mustard. Add softened butter to remaining herb mixture and mash with fork until combined; set aside.
- Position roast fat side up on cutting board. Insert knife one-third of way up from bottom of roast along 1 long side and cut horizontally, stopping ½ inch before edge. Open up roast. Keeping knife parallel to cutting board, continue to cut through thicker portion of roast about ½ inch from bottom of roast, keeping knife level with first cut and stopping about ½ inch before edge. Open up this flap. If uneven, cover with plastic wrap and use meat pounder to even out.
- Sprinkle roast evenly, inside and out, with salt and pepper. Spread herb-mustard mixture over interior of roast, fold back together, and tie securely with kitchen twine at 1½-inch intervals. Refrigerate, uncovered, for at least 1 hour or up to 24 hours.
- Adjust toaster oven rack to lowest position, select air-fry or convection function, and heat oven to 250 degrees. Set small wire rack in small rimmed baking sheet and spray rack with vegetable oil spray. Pat roast dry with paper towels, rub with oil, and place fat side up on prepared rack. Roast until beef registers 115 to 120 degrees (for medium-rare) or 125 to 130 (for medium), 1¼ to 1¾ hours, rotating sheet halfway through roasting.
- Transfer roast to carving board, spread herb butter over top, and let rest for 20 minutes. Remove twine and slice ¼ inch thick. Serve with cornichons, if using, and extra mustard.
for the herb paste and butter
for the roast
Time
2¼ hours, plus 1 hour refrigerating timeYield
Serves 8 to 10Toaster oven setting
Air-fry or convectionIngredients
Herb Paste and Butter
Roast
Ingredients
Herb Paste and Butter
Roast
Ingredients
Herb Paste and Butter
Roast
Why This Recipe Works
Typically when preparing a large multi-dish meal, your traditional oven is tied up with your roast for most of the day. This leaves you to cram your side dishes, casseroles, and rolls into the last hour of cooking when your oven is finally free again. We don’t think that one element of the meal is worth sacrificing your oven all day long, so we developed a recipe for herbed roast beef that you can pop into your satellite oven, leaving your main oven free for the larger dishes of potatoes and vegetables that can’t fit in your toaster. To deliver on ease as well as incredible flavor, we used two additions: an herb-mustard paste that we spread inside the roast before cooking, and a shallot herb compound butter for after. Refrigerating the roast for at least an hour allowed the seasonings to penetrate the meat. We found that a long cook time at a low temperature gave us the most evenly cooked interior and a delicately burnished exterior —no need to broil or sear. Finally, the herb butter spread over the resting roast mingled with the meat juices to create an instant sauce.
Before You Begin
The coarse texture of kosher salt makes it easier to sprinkle evenly over a large roast; if you don’t have kosher salt, you can substitute table salt, but reduce the amount to 1 tablespoon. The air-fry or convection setting helps to achieve more uniform browning; if your toaster does not have these functions, use the standard bake function. Before starting this recipe, confirm your toaster oven allows at least 2 inches of space between the roast and the top heating element.
Instructions
- Combine parsley, thyme, and shallot in bowl. Transfer 2 tablespoons herb mixture to second bowl and stir in oil and mustard. Add softened butter to remaining herb mixture and mash with fork until combined; set aside.
- Position roast fat side up on cutting board. Insert knife one-third of way up from bottom of roast along 1 long side and cut horizontally, stopping ½ inch before edge. Open up roast. Keeping knife parallel to cutting board, continue to cut through thicker portion of roast about ½ inch from bottom of roast, keeping knife level with first cut and stopping about ½ inch before edge. Open up this flap. If uneven, cover with plastic wrap and use meat pounder to even out.
- Sprinkle roast evenly, inside and out, with salt and pepper. Spread herb-mustard mixture over interior of roast, fold back together, and tie securely with kitchen twine at 1½-inch intervals. Refrigerate, uncovered, for at least 1 hour or up to 24 hours.
- Adjust toaster oven rack to lowest position, select air-fry or convection function, and heat oven to 250 degrees. Set small wire rack in small rimmed baking sheet and spray rack with vegetable oil spray. Pat roast dry with paper towels, rub with oil, and place fat side up on prepared rack. Roast until beef registers 115 to 120 degrees (for medium-rare) or 125 to 130 (for medium), 1¼ to 1¾ hours, rotating sheet halfway through roasting.
- Transfer roast to carving board, spread herb butter over top, and let rest for 20 minutes. Remove twine and slice ¼ inch thick. Serve with cornichons, if using, and extra mustard.
for the herb paste and butter
for the roast
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