Substitutions

I seem to find recipes that call for items I don't have.  The recipes look delicious and I really don't like going to the store for one or two items.  Here is a list of substitutions and equivalents for those very moments.

Food	Amount	Equivalent	Substitute
Butter	2 sticks	1 cup
Buttermilk	1cup	8 oz.	1 cup milk plus 1 tbsp lemon juice, or 1 cup plain yogurt
Cornstarch	1 tbsp		2 tbsp flour or 1 tbsp arrowroot
Flour - Cake	1 cup		1 cup less 2 tbsp, add 2 tbsp cornstarch
Flour - All Purpose	1 cup		1 cup + 2 tbsp cake flour
Flour - All Purpose	1 cup		1 cup self-rising flour, omit baking powder and salt from recipe
Flour - All Purpose	1 cup		7/8 cup bread flour
Garlic	2 med. cloves	1 tsp minced
Herbs	1 tbsp (3 tsp) fresh	1 tsp dried
Lemon	1 medium	1-3 tbsp juice, 1 1/2 tsp zest
Lime	1 medium	1 1/2 - 2 tbsp juice
Sour Cream	1 cup	8 oz.	1 cup plain yogurt
Sugar, brown	1 cup		1 cup granulated sugar with 2 tbsp molasses
Vanilla	1 tsp extract		1-inch piece vanilla bean
Yeast, active dry	1 pkg	2 1/4 tsp

Sources:

1. The Williams-Sonoma Cookbook: the essential recipe collection for today's home cook, page 447
2. Willams-Sonoma: essentials of baking, page 15