Green Bean and Mushroom Casserole

I won't be cooking Thanksgiving dinner this year because we are heading to a friend's house to enjoy her amazing cooking. I decided since I wouldn't be cooking a turkey feast to share with you all, I could at least cook some of my favorite Thanksgiving side dishes to share.I'll admit it... I love the green bean casserole using canned soup and French's onions. I wanted to make a homemade version