Engagement Roast chicken

There are a million roast chicken recipes but this one is at the top of my list. The sauce/gravy makes the dish.  Serve it with your family's favorite green veggies or salad and make ahead mashed potatoes. So good!

https://www.foodnetwork.com/recipes/ina-garten/engagement-roast-chicken-recipe-1948980


Notes: 
I usually use only one onion and after making the sauce/gravy, I skim off the fat.

Modifications:
Low Carb:skip the mashed potatoes and just eat chicken with veggies on side
Gluten Free: GF flour for gravy
Vegan: ??
Pescatarian: Eat the leftover mashed potatoes and veggies
Picky Kids: Serve the sauce/gravy on the side