1  egg…                   1/4 cup egg substitute (egg beaters

1  cup milk…            1/2 cup evaporated milk & 1/2 cup water
                                                        or
                                 1 cup reconstituted dry milk & 2 tsp. butter

1  cup buttermilk….  1 cup plain yogurt or sour cream
                                                      or
                                  1 tablespoon lemon juice or vinegar plus enough milk to make 1 cup
                                                      or
                                  1 cup milk plus 1-3/4 tablespoons cream of tartar

1  cup  honey…         1-1/4 cups sugar & 1/4 cup water

1-1/2 teaspoons
cornstarch…              1 tablespoon flour 
 

1/4 cup cooking
wine…                        1/4 cup apple juice

1 oz unsweetened
chocolate…                3 tblsp. cocoa & 1 tblsp. butter

1 cup sugar…             1 cup Equal, or 1 cup Splenda

This is a very good web site for substitutions  http://www.foodsubs.com/