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Lamb T-Bone with Rutabaga Dauphinoise and Mint Pesto Recipe

Staff Writer
Lamb T-Bone with Rutabaga Dauphinoise
Grant Crone

Lamb T-Bone with Rutabaga Dauphinoise

This hearty dish, created by Chef Michael DeMaria of Heirloom Restaurant in Scottsdale, Ariz., uses a cut of lamb that is similar to a traditional T-bone steak. Mint pesto adds a brightness of flavor and vibrant color, while the dauphinoise (a twist on a gratin) includes starchy rutabagas as a base.

Click here for the From Idea to Plate: Developing a Recipe story.

Deliver Ingredients


For the lamb:

  • Four 8-ounce lamb T-bone steaks
  • Salt and pepper
  • 2 tablespoons canola oil

For the rutabaga dauphinoise:

  • 1 pound rutabaga, peeled and sliced into 1/8-inch thick rounds
  • 2 cups heavy cream
  • 2 egg yolks
  • ¼ cup goat cheese, crumbled
  • ¼ manchego cheese, shredded

For the mint pesto:

  • ¼ pound fresh mint
  • 2 tablespoons pine nuts, toasted
  • Juice of 1 lemon
  • 1 garlic clove, chopped
  • 1 cup olive oil, preferably extra-virgin


For the lamb:

Start by seasoning both sides of the lamb with salt and pepper. Rub each steak lightly with a ½ tablespoon of canola oil and place onto a hot grill. Let the first side cook for 8 minutes and then flip, cook the lamb for another 8 minutes on the second side. Total grilling time for medium-cooked lamb should be between 15–18 minutes, or until the internal temperature of the meat reaches 130 degrees. When finished, remove the lamb from the grill and allow it to rest for 5–7 minutes before serving.

For the rutabaga dauphinoise: 

Add the peeled and sliced rutabagas to a thick-bottomed pot with the heavy cream and place over medium heat. Once cream is hot, continue to cook the rutabagas for about 15 minutes longer or until slightly al dente. Season with salt and pepper, and remove from heat.

Preheat the oven to 350 degrees. To a medium-sized bowl, add egg yolks and goat cheese and whisk the two together. Add a little bit of the hot cream from the pot to temper the eggs (don’t add too much at once, or the eggs will scramble). Once egg mixture is tempered, fold into the rutabagas. Place mixture into a greased baking pan, and top with shredded manchego. Cover the baking pan with foil and place it into a water bath, cook in the oven for 45 minutes. After baking, remove water bath and foil, place the dauphinoise back under broiler for 1–2 minutes to brown the cheese on top.

For the mint pesto:

Add the first four ingredients to a blender and pulse to combine. Slowly drizzle in olive oil while continuing to blend until pesto is formed.

Lamb Shopping Tip

Look for meat that is bright red. Red meat turns paler as the hemoglobin within releases oxygen – a sign that the meat has been sitting too long at the butcher's counter.

Lamb Cooking Tip

When browning meat, resist the urge to move the meat – you must allow a flavorful crust to form over high heat. Once it has formed, the meat should slide freely with the shake of a pan.

Lamb Wine Pairing

Most red wines, especially cabernet sauvignon, but also including cabernet franc, mourvèdre, Rhône blends, zinfandel, petite sirah, nebbiolo, nero d'avola, primitivo, barbera, and sangiovese.