3 large onions, chopped
4 tablespoons butter
4 tablespoons olive oil
8 ounces cream cheese
1 cup mayonnaise
1 cup sour cream
dash cayenne
dash salt

Saute onions in butter and olive oil until caramelized.  Remove from heat.  Stir in remaining ingredients until well mixed.  Pour into serving dish, cover with plastic wrap or lid and chill overnight.

Serve with potato chips or crackers.

10  Servings