Vegan Mushroom Black Bean Burgers - - canned black beans (mashed), olive oil (plus extra for frying), medium mushrooms (finely chopped, cremini/white button), stalk celery (finely chopped), small carrot (finely chopped), red onion (finely chopped), garlic (finely minced), salt, bread crumbs, ground chia seeds, nutritional yeast, soy sauce, lemon juice (squeeze), , In a large [...]