In a food processor or blender, add the rosemary, garlic, balsamic and soy. Pulse several times to combine, then add the black pepper and the lime juice. Pulse, then stir in the lime zest.
Trim the fat and sinew from the lamb leg. Put it in a resealable gallon plastic bag and pour in the in the marinade. Refrigerate for 12 to 24 hours. Strain and reserve the marinade.
Preheat the oven or indirect grill to 325 degrees F.
With kitchen twine, tie the leg into an evenly shaped roast. Weave the bacon strips into the kitchen twine, along with the rosemary. Put the lamb into a roasting pan and pour in the marinade. Roast for approximately 25 minutes per pound for medium-rare, about 1 hour 40 minutes. Internal temperature should register 145 to 155 degrees F on an instant-read thermometer when done. Baste occasionally with the pan juices.
Remove the lamb from the oven when desired internal temperature is reached. (Chef's Note: 145 degrees F for medium-rare, 160 degrees F for medium, 170 degrees F for well-done.) Remove the lamb from pan to a cutting board and let rest lightly covered for 10 to 15 minutes.
While the lamb is resting, remove the fat from the roasting pan, put it over high heat and slowly incorporate the chicken stock. Strain and adjust seasonings, to taste. Return to the heat and reduce for 5 minutes, then stir in the butter and vermouth. Pour into a serving bowl. Slice the lamb and arrange it on a serving platter. Serve the sauce with the lamb.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	295.7 Kcal (1238 kJ)
Calories from fat	182.36 Kcal
		% Daily Value*
Total Fat	20.26g	31%
Cholesterol	55.19mg	18%
Sodium	1186.09mg	49%
Potassium	347.51mg	7%
Total Carbs	11.74g	4%
Sugars	3.75g	15%
Dietary Fiber	1.25g	5%
Protein	15.21g	30%
Vitamin C	7mg	12%
Iron	2.2mg	12%
Calcium	45.6mg	5%

Amount Per 100 g
Calories	173.17 Kcal (725 kJ)
Calories from fat	106.8 Kcal
		% Daily Value*
Total Fat	11.87g	31%
Cholesterol	32.32mg	18%
Sodium	694.62mg	49%
Potassium	203.51mg	7%
Total Carbs	6.87g	4%
Sugars	2.2g	15%
Dietary Fiber	0.73g	5%
Protein	8.91g	30%
Vitamin C	4.1mg	12%
Iron	1.3mg	12%
Calcium	26.7mg	5%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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