Roast and Prep: Preheat the oven to 450 degrees F. Line a roasting pan with foil paper (or even parchment paper). Place the wings or wing tips in an even layer.
Place the wings in a baking dish and sprinkle all over with salt and pepper (about 1 teaspoon salt and pepper).
Brush with 1/2 tablespoon of the olive oil. Roast for 30 minutes, then flip and roast again for 30 to 40 minutes more, until they are golden brown.
Roast for 30-40 minutes and when the wing tips (or wings) are golden brown, flip them over. Flip over the vegetables. Roast for another 30-45 minutes.
When the wing tips (or wings) are golden brown, add everything from the roasting pan to a large soup pot.
Deglaze the roasting pan by adding 2 cups of water, use a wooden spoon to scrape out all the bits. Add this water to the soup pot.
Simmer the Stock: Add more water (cold) to the stock pot to cover the turkey parts by 1 to 2 inches and bring to a boil (14 cups). Once it comes to a boil, lower to a simmer.
Let it simmer for 30 minutes and add some water if it too much has evaporated.
Cover the pot and let it simmer for 2-3 hours, checking on it and stirring occasionally. Skim off and discard any white foam that may come to the surface.
Strain the Stock: Strain the bones and vegetables from the stock. You’ll probably need to use a couple of large bowls to strain all the stock. You could use a strainer and then a fine mesh for the final strain.
You should have about 8 cups of stock. In case it seems to be much more than 8 cups, return the stock to the pot and let it simmer and reduce some more.
Skim, Cool, and Store: Let the stock stand for 10-20 minutes until the fat separates from the stock. You could remove the fat layer and save it to make gravy.
You could also completely cool it down quicker using an ice bath.
The stock should cool down before storing in the refrigerator. If you're using the stock right away, let it stand for about 10 minutes for the fat and stock to separate.
Use a spoon to skim the layer of fat from the surface. (As with the fat in the roasting pan, I like to refrigerate this for making gravy.)
Transfer the stock to storage containers or jars and refrigerate for up to 5 days. In case you do not spoon off the fat from the stock, it will separate into a gelatinous layer on top.
Once it’s chilled, you could remove that fat layer and discard (or use in another recipe).
The chilled stock does turn into a thick, jelly-like consistency when it’s chilled. When it warms, it does liquify.
Use this stock in your Thanksgiving recipes.