I thought this was a great list, if you ever run out of something and need to substitute something else in it's place. I 'stole' the list from
here (this is a great site for recipes, etc).
Handy Substitutions
Baking Products
Baking powder, 1 tsp.: 1/2 tsp. cream of tartar + 1/4 tsp. baking soda
Semisweet chocolate, 1 oz.: 1 oz. unsweetened chocolate + 1 Tbsp. sugar
Unsweetened chocolate, 1 oz. or square: 3 Tbsp. unsweetened cocoa + 1 Tbsp. butter, margarine, shortening, or oil
Semisweet chocolate chips, 6 oz., melted: 2 oz. unsweetened chocolate, 2 Tbsp. shortening, + 1/2 c. sugar
Unsweetened cocoa, 1/4 c.: 1 oz. unsweetened chocolate (decrease fat in recipe by 1/2 Tbsp.)
Corn syrup, light, 1 c.: 1 c. sugar heated to a syrupy consistency with 1/4 c. water (GENIUS!!)
Cornstarch, 1 Tbsp.: 2 Tbsp. all-purpose flour
See flour substitutions
hereMarshmallow cream, 7-oz. jar: 16 oz. package marshmallows, melted, plus 3 1/2 Tbsp. light corn syrup
Marshmallows, miniature, 1 c.: 10 large marshmallows
Pecans, chopped, 1 c.: 1 c. regular oats, toasted (in baked products); this is another smart one, especially for people with nut allergies!
Powdered sugar, 1 c.: 1 c. sugar + 1 Tbsp. cornstarch, processed in food processor
White sugar, 1 c.: 1 c. corn syrup; decrease liquid in recipe by 1/3 c.
Dairy Products
Buttermilk, 1 c.: 1 Tbsp. vinegar or lemon juice, plus milk to make 1 c. (let stand 10 minutes); 1 c. milk + 1 3/4 tsp. cream of tartar
Sweetened condensed milk, 14 ounces: Heat 1/3 c. +2 Tbsp. evaporated milk, 1 c. sugar, 3 Tbsp. butter or margarine until sugar and butter dissolve
Sour cream: Plain yogurt
Miscellaneous
Tomato sauce, 2 c.: 3/4 c. tomato paste + 1 c. water
Chili sauce, 1 c: 1 c. tomato sauce, 1/4 c. brown sugar, 2 Tbsp. vinegar, 1/4 tsp. cinnamon, dash of grown cloves, dash of allspice
Ketchup (for cooking): 1 c. tomato sauce, 1/2 c. sugar, 2 Tbsp. vinegar
SpicesAllspice, ground, 1 tsp.: 1/2 tsp. ground cinnamon + 1/2 tsp. ground cloves
Apple pie spice, 1 tsp.: 1/2 tsp. ground cinnamon, 1/4 tsp. ground nutmeg, 1/8 tsp. ground cardamom
Bay leaf, 1 whole: 1/4 tsp. crushed bay leaf
Chives, chopped, 1 Tbsp.: 1 Tbsp. chopped green onion tops
Garlic, 1 small clove: 1/8 tsp. garlic powder or dried garlic
Garlic salt, 1 tsp: 1/8 tsp. garlic powder plus 7/8 tsp. salt
Herbs, fresh, 1 Tbsp.: 1 tsp. dried herbs or 1/4 tsp. ground herbs
Mustard, dry, 1 tsp.: 1 Tbsp. prepared mustard
Onion powder, 1 Tbsp.: 1 medium onion, chopped or 1 Tbsp. dried minced onion
Parsley, dry, 1 tsp.: 1 Tbsp. fresh parsley
Pumpkin pie spice: 1/2 tsp. ground cinnamon, 1/4 tsp. ground ginger, 1/8 tsp. ground allspice, 1/8 tsp. ground nutmeg
Vanilla bean, 1: 1 tsp. vanilla extract
Worcestershire sauce, 1 tsp.: 1 tsp. bottled steak sauce
Alcohol (use water, white grape, or apple juice to make up the rest of the amount of liquid called for in the recipe)
Amaretto, 2 Tbsp.: 1/4-1/2 tsp. almond extract
Bourbon or Sherry, 2 Tbsp.: 1-2 tsp. vanilla extract
Brandy, fruit-flavored liqueur, port wine, rum, or sweet cherry, 1/4 c. or more: Equal amount of unsweetened orange or apple juice plus 1 tsp. vanilla extract or corresponding flavor
Brandy or rum, 2 Tbsp.: 1/2-1 tsp. brandy or rum extract
Grand Marnier, 2 Tbsp.: 2 Tbsp. unsweetened orange juice concentrate
Kahlua, 2 Tbsp.: 1/2-1 tsp. chocolate extract plus 1/2-1 tsp. instant coffee dissolved in 2 Tbsp. water
Red wine: Equal amount of red grape or cranberry juice
White wine: Equal amount of white grape or apple juice