How Much Milk Should I add if I Already Have Butter and Sugar in my Recipe?
This is impossible to answer. The minimum amount of milk to add is zero, the maximum amount is as much as you can work with the bread without the dough turning into a liquid batter. Between these two extremes, it is all up to personal taste. The only criteria you suggested was &quot;if it will be too soft&quot; - but one person's too soft is another's too hard. The only way you can do is bake it and decide how it relates to your personal taste.