Heat oven to 375° F. Cut one-third off top of unpeeled garlic bulb, exposing cloves. Place garlic in small baking dish; drizzle with oil. Cover tightly and bake 45 minutes; cool.
Squeeze garlic pulp from papery skin. Place garlic and remaining ingredients in blender. Cover and blend on high speed until smooth.
Servings: 1 1/2 cups