Equivalents and Substitutions

1#=2 ¼ c brown sugar
1#= 3 ½ c powdered sugar
1#= 4 c flour
1 egg= 1 T mayonnaise
1 c buttermilk=1 c milk +1 T vinegar
1 sq. baker’s chocolate=1 T margarine, melted, = 1 heaping T cocoa