Slow Cooker Chicken Cacciatore With Potatoes

chicken thighs (, bone-in, skin on or off)

Salt and pepper to season

olive oil ((more if needed ))

| 1 kg baby potatoes (, quartered)

minced garlic ((or 8 cloves))

medium onion (, roughly chopped)

small yellow pepper ((capsicum), deseeded and diced)

small red pepper ((capsicum), deseeded and diced)

medium-sized carrot (, peeled and sliced)

| 410g can crushed tomatoes

| 400g bottle tomato passata ((tomato sauce or puree for US readers)*)

red wine ((optional -- substitute with beef broth IF DESIRED))

tomato paste

freshly chopped parsley

each dried basil and oregano

cube bullion ((beef), crushed)

salt ((adjust to your taste))

pepper ((adjust to your taste))

red pepper flakes ((optional))

sliced mushrooms

pitted black olives