If you’re a lover of beef burgers, enjoying your passion while being smart about nutrition and sustainability can be a tough balance to find. These burgers are worth a try. Using mushrooms to make a little meat go further, they are still very much a meat burger. Keep in mind too that the nutrition difference in a burger happens in the toppings: a nice balance of veggies is a healthier choice than loads of cheese and condiments that are packed with salt and sugar.