1/2 cup mayonnaise
1/2 cup sour cream
1/8 teaspoon oregano leaves, dried, optional
2 Chipotle chiles*

*Chipotle Chiles should be the ones that are canned in adobo sauce and should be finely chopped.

Mix all ingredients. Cover and refrigerate until chilled, about 1 hour.

Makes about 1 cup mayonnaise.