Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      tablespoon    unsalted butter
   1      tablespoon    peanut oil
   1      large         red onion -- sliced
     1/2  cup           sour cream
     1/2  cup           mayonnaise
     1/4  teaspoon      salt
     1/4  teaspoon      cayenne pepper
   1      teaspoon      red pepper flakes
     1/8  teaspoon      tabasco sauce
                        crackers or chips

Preparation:

Saute onion in butter and oil until caramelized (golden brown), about 20 minutes. Cool and combine the remaining ingredients. Mix well and chill for at least 1 hour. Serve with crackers or chips.