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1
Combine oil, garlic salt, basil, marjoram, thyme and pepper in heavy plastic bag. Mix well. Add roast; coat well with marinade. Marinate in refrigerator 2 hours or overnight.
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2
Line roasting pan with aluminum foil. Combine course kosher salt and the water thoroughly until salt is well moistened. (Do not add more water). Pat 1 cup of moistened salt into a 1/2 inch thick rectangle in pan. Pat roast dry with paper towels. Insert meat thermometer. Place roast on salt layer. Carefully pack remaining salt mixture around meat to encase meat.
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3
Place roast in a 425 degree oven and roast about 16 - 18 minutes per pound for rare (140 degrees), 20 to 22 minutes per pound for medium (160 degrees), or 25-30 minutes per pound for well done (170 degrees). For best results, use a meat thermometer to check internal temperature.
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4
Remove roast when thermometer registers 5 degrees below desired doneness. Let roast stand 5 to 10 minutes in salt crust.
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5
To remove roast from salt, you may need to use a hammer. After removing crust, whisk away any remaining crystals with a stiff pastry or vegetable brush before carving.
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6
If using an instant-read thermometer (the kind that isn't inserted before roasting), check the estimated cooking time. Take roast out of the oven 10-15 minutes bsefore it should be done. You may have to poke a hole in the salt crust to insert themometer. Continue roasting, if needed, and test temperature again in 5 minutes. Enjoy!
