- STEP 1
Roughly chop red peppers, removing and discarding stalks and seeds.
- STEP 2
Peel and chop red onion
- STEP 3
Peel and chop roughly the carrots and sweet potato.
- STEP 4
Chop tomatoes into chunks, removing and discarding stalks and hard cores.
- STEP 5
Put all ingredients into large slow cooker and cook on LOW overnight (or 6 -8 hours - exact time isn't crucial)
- STEP 6
Blitz in batches in a blender, mixing batches together afterwards as there may be more stock in some batches.
- STEP 7
Check for thickness and flavour and add extra veg stock, salt and pepper if required. Suitable for freezing. Makes approx 8 average servings. Variation in the quantity of stock will affect the number of servings.