Step 1

Preheat the oven to 375 F.

Step 2

Add the butter and sliced onions to a large oven-proof pan and saute for 15 minutes, or until almost caramelized.

Step 3

Add the mushrooms and garlic to the pan. Saute on medium heat until the mushrooms are browned, about 5 minutes.

Step 4

Add the rice and toss to coat.

Step 5

Add the beef broth and French onion soup mix. Stir to combine.

Step 6

Add the thyme to the pan.

Step 7

Place a lid on the pan and bake in the oven for 25 minutes, or until all the beef broth has been absorbed.

Step 8

Let sit for 5 minutes then remove the thyme stems.

Step 9

Fluff the rice with a fork and serve.