In a large skillet, melt the butter over medium high heat and saute the onion and garlic until soft.
Add the bag of frozen mixed vegetables and saute them for about 4 minutes or until they are thawed and warmed through. Season them with salt and pepper.
Stir in the cream of mushroom and cream of chicken soup.
stir in the milk. Feel free to add more milk to thin it out if you think it needs it to thin out a little more.
Stir in the shredded rotisserie chicken and season the sauce with salt, pepper and garlic powder.
Stir a ladle of pasta water into the sauce and add the cooked egg noodles
Toss the egg noodles into the sauce until they are evenly coated. Serve warm and enjoy!