Prepare the salad - by starting with cooking the bacon. You can do it in the oven or in a skillet however you prefer. Either chop the bacon ahead of time, or after it's cooked - whichever is easiest for you. The key is to NOT eat all the bacon and have enough remain for the salad ! I typically place my cooked bacon on a plate with paper towels to soak up some of the grease - and let it cool on the plate. (Another TIP : I typically keep my bacon in the freezer - in a 1 or 2 lb block from Costco - in a freezer zip bag. When I need some crumbled bacon for a recipe I use the biggest, sharpest knife I have and whack (carefully!) a hunk of the bacon off the end of the strips. Thereby having little pieces of bacon already cut - and then I toss the frozen block into the pan to cook. You seperate the individual small pieces off the block as it warms / cooks. Recipes that call for 3-4 strips of bacon are readily accommodated when you keep bacon this way.) Toast your Pecans - I put my pecans into the oven - using my countertop oven for about 5 minutes at 350. You can also toast the nuts in a hot pan - NO OIL - watching very carefully. You want the nuts to warm and toast and release some of their oils and smell yummy.
Wash and tear or chop the lettuce and place into a big bowl. I prefer to chop lettuce as it's quicker, but generally I'll only do that when I'm fairly confident the entire salad will be eaten when served. If I am making a double, or expect left-overs, I prefer to tear the lettuce. I believe lettuce torn browns slower. If you google - some say it makes no difference - so do what you like.
Toss your gorgonzola over the lettuce. If you bought a wedge, use a knife or better yet, your hands, to crumble pieces of the cheese into the salad bowl. If you bought pre-crumbled - toss it in !
Add the bacon to the lettuce.
Add the cranberries to the lettuce (if using).
Add the pecans to the lettuce.
Peel and chop the apple and add to the lettuce. I would hold off on peeling and chopping the apple until right before serving or as late as you can - so it doesn't turn brown.
Place all Vinaigrette ingredients in a jar or container and shake. I used manderine oranges, as that is what I had on hand. Use whatever type of oranges you have on hand, or whichever kind you prefer!
When ready to serve, toss the salad with the vinaigrette and say wha la !