Preheat oven to 375 and arrange racks so that there's enough room for your dutch oven on one rack and a baking sheet on another.
While oven is preheating peel, seed and cube your squash into 3/4-1" cubes, chop your onion and thyme, mince your garlic and shred or grate your cheese.
Lay the bacon out on a rack over a rimmed baking sheet and place in oven 20-30 minutes, until browned but not completely crispy. When done, chop bacon into medium size pieces and set aside.
While bacon cooks, heat oil and butter in a medium size dutch oven and saute the onion for 6-8 minutes, until tender and just starting to brown. Add garlic, thyme, salt and pepper and continue cooking and stirring 1 minute more.
Add the chicken stock and farro, stir and bring to a simmer.
Once it simmers place the squash on top of the farro mixture, without stirring in, cover and place inside oven for 30 minutes.
Check once during cooking and add more stock if needed. You don't want all of the liquid to be absorbed before the farro is cooked through. I usually end up adding another 1/2 cup or so.
After 30 minutes sprinkle bacon and cheese on top of squash and put back in the oven, uncovered, 15-20 minutes, until farro and squash are tender and cheese is melted.
Enjoy!