Sour Cream Substitutes

I found this today when I was desperate for sour cream and did not want to go to the store.  I tried the one with cottage cheese, lemon juice and milk in the blender and it worked great.

Sour Cream Substitutions and Equivalents 

*1 cup sour cream For baking: 7/8 cup buttermilk or sour milk plus 3 tablespoons butter 
*1 cup sour cream For baking: 1 cup yogurt plus 1 teaspoon baking soda 
*1 cup sour cream For baking: 3/4 cup sour milk plus 1/3 cup butter 
*1 cup sour cream Baking: 3/4 cup buttermilk plus 1/3 cup butter 
*1 cup sour cream Cooked sauces: 1 cup yogurt plus 1 tablespoon flour plus 2 teaspoons water 
*1 cup sour cream Cooked sauces: 1 cup evaporated milk plus *1 tablespoon vinegar or lemon juice. Let stand 5 minutes to thicken. 
*1 cup sour cream Dips: 1 cup yogurt (drain through a cheesecloth-lined sieve for 30 minutes in the refrigerator for a thicker texture) 
*1 cup sour cream Dips: 1 cup cottage cheese plus 1/4 cup yogurt or buttermilk, briefly whirled in a blender 
*1 cup sour cream Dips: 6 ounces cream cheese plus 3 tablespoons milk, briefly whirled in a blender 
*1 cup sour cream Lower fat: 1 cup low-fat cottage cheese plus *1 tablespoon lemon juice plus 2 tablespoons skim milk, whipped until smooth in a blender 
*1 cup sour cream Lower fat: 1 can chilled evaporated milk whipped with 1 teaspoon lemon juice