Stuffed Mushrooms with broth

24 brown button mushrooms 3 tablespoons olive oil 1/2 onion 1 stalk celery 3 garlic cloves 2 -3 tablespoons breadcrumbs 1/2 cup walnuts 1/2 cup tempeh or 1/2[...]

24 cremini mushrooms , with caps about 1-1/2 inches in diameter 2 tablespoons extra virgin olive oil , plus more for the tops of the mushrooms if you like 1/2[...]

24 mixed mushrooms 2/3 cup butter 2/3 cup chopped onion 2 tablespoons olive oil 3 tablespoons whipping cream 1 cup chicken broth (divided 1/2 and 1/2) 1[...]