Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      3 pound       pork loin roast -- boneless
     1/4  cup           olive oil
     1/4  cup           lemon juice
   1      teaspoon      oregano
   1      teaspoon      salt
   1      teaspoon      black pepper
   6                    garlic cloves -- minced
                        Spicy Yogurt Sauce -- see recipe

Preparation:

Place pork loin in large Ziploc bag. Combine remaining ingredients except Spicy Yogurt. Sauce; pour over pork in bag. Seal bag and refrigerate overnight. Remove pork from marinade, discard marinade. Place pork over drip pan on grill. Grill over indirect heat in covered grill until meat thermometer inserted reads 155F, about 1-1 1/2 hours. Let rest 10 minutes (internal temperature will rise slightly upon standing) before slicing thinly to serve. To serve, slice roast thinly and serve with Spicy Yogurt Sauce.