Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        beef tri-tip
                        ***MEDITERRANEAN MARINADE***
     1/2  cup           fresh lemon juice
     1/3  cup           red wine vinegar
   2      cloves        garlic -- finely chopped
   2      tablespoons   oregano -- finely chopped
     1/2  teaspoon      salt
     1/2  teaspoon      pepper
   1      cup           olive oil

Preparation:

MEDITERRANEAN MARINADE: Mix all ingredients except oil in blender. Slowly add oil with motor running. Cover and refrigerate until ready to use. Makes 1 1/2 cups. In glass dish, pour marinade over roast, coating all sides. Cover and refrigerate 6 to 24 hours. Grill over medium coals, turning occasionally, about 35 to 40 minutes for rare (140 degrees) to medium (160 degrees). Brush with marinade during last 10 to 15 minutes of cooking. Serve with assorted grilled vegetables which have been lightly brushed with marinade.