In a deep pot over medium-high heat melt the butter and add the olive oil, then saute the onions for 1 minute.
Add the diced carrots and stir for another 2 minutes, then add the potato and keep stirring, after a couple of minutes add the zucchini.
Add the diced tomato then the celery, then add the broth, bring to a boil then lower the heat and simmer for about 20 minutes until all the veggies are about to be done.
In the last 5 minutes, we will add the broccoli and artichoke, simmer for 5 more minutes and season well.
Add the diced chicken and test that everything is done.
Serve with your favorite pasta/rice.
Notes
Please note that there are not specific ingredients in this recipe as it is meant to clean up your fridge and use whatever leftovers you have.