In a sauce pan, bring water to a boil. Add the vinegar, bring to a boil again, then lower heat to keep water in a low simmer;
Break eggs one by one on individual ramekins and check for broken shells. Drop eggs into simmering water, one by one, and cook them for 2 to 3 minutes. Remove from water with slotted spoon and set aside on a warm plate;
While eggs are cooking, slice the English muffins in half, butter them, and toast them in the oven, being careful not to burn them;
In a skillet over medium heat, cook the bacon or ham for a minute on each side;
To mount, place one half of the toasted English muffin on a plate (buttered side up), place a slice of bacon or ham over it, one poached egg, top the egg with Hollandaise sauce. Garnish with chopped chives.
Recipe by Easy Recipes, Etc™ at https://easyrecipesetc.com/eggs-benedict-recipe/