Onion Soup with Apple Cider

4 tablespoons unsalted butter
3 tablespoons olive oil
6 large onions (about 3 1/2 pounds), halved, thinly sliced
3 cups low-salt chicken broth
2 1/2 cups bottled apple cider
12 large thyme sprigs
Chopped fresh thyme

***

Yeah, yeah, another soup.

Yeah, yeah, I know it's not the fall and this is a fall soup.

Yeah, yeah, I know there's no meat in it.

Just eat it.

Grade: 3 out of 4 cell blocks. NAAHHHH! It's a solid 7.8 out of 10.0.