Spray the instant pot with low calorie cooking spray. Set to sauté and add the diced onion and garlic
While the stew is cooking make the balsamic glaze - Put the balsamic vinegar in a small pan, add the sweetener and bring to the boil. Turn it down and simmer until it has reduced by half.
You can make the glaze in advance and store it in an airtight container in the fridge
Spray a large pan with low calorie cooking spray, and sauté the diced onion and garlic on a medium heat, until they start to soften
Add the peppers, carrots, mushrooms, tomato puree, tinned tomatoes, potatoes and paprika and stir well
While the stew is cooking make the balsamic glaze - Put the balsamic vinegar in a small pan, add the sweetener and bring to the boil. Turn it down and simmer until it has reduced by half.
You can make the glaze in advance and store it in an airtight container in the fridge