1-2medium tomatoes, cut in half, or a handful of cherry tomatoes(optional)
Herbs and Spices
a sprig of parsley
a bay leaf
a few cloves
a pinch of whole peppercorns
saltpreferably coarse sea salt, to taste
NB: The parsley and salt are pretty much obligatory in my book. The others are optional.
Optional Seasonal Vegetables
a few vegetables in season if you like. (See Notes.)
Water
2literswateror enough to cover the vegetables by 5 cm (2 inches)
Instructions
Place all the vegetables you're using in the pot. Add the water, salt well and add the herbs and spices. bring to a simmer. There is no need to skim.
Simmer the vegetables 30 minutes to 1 hour, depending on how strong you want your broth, adding water as/if needed. Taste as you go and adjust for seasoning and to gauge whether the broth is flavorful enough for you.
Turn off the heat and let the broth cool completely. Strain out the solids and your broth is ready for use.