Mom's Pasta Salad

This is a super easy recipe that we ate quite frequently at my house. The ingredients are cheap, it holds up well in the fridge, and there is no need to reheat. We ate this as a side dish, a snack, or a meal.

What you will need:
Garden rotini pasta (or other similar pasta, I used Wacky Mac)
Italian dressing (Mom uses Kraft, but Wishbone works fine too!)
Can of sliced black olives, drained
Can of sliced mushrooms, drained

Cook and drain pasta, following package directions. Pour cooked pasta into a large bowl and add olives and mushrooms. Add the dressing, little by little, until the pasta is thoroughly coated. Cover and refrigerate for at least an hour before serving.

The above recipe is the original, basic recipe (this is still my favorite way to eat it.) Some years later mom revised the recipe by adding all sorts of new ingredients. In addition to the olives and mushrooms, the recipe now includes chopped cooked ham, shredded cheddar cheese, peeled and diced cucumber, and diced green pepper. Because of the addition of these new ingredients, more dressing may be required to coat everything sufficiently.
Please note that I didn't list any measurements or container sizes in this recipe, that is because you can make this in any batch size you want, and include the ingredients in any ratio you desire.