Portobello Steak with Tomato Caper Sauce is a hearty plant-based main dish! I am happy to share it with you from my cookbook Eat Well, Be Well. This dish is perfect for those times when you want a dinner that requires a knife and fork. Something you can sink your teeth into, but still 100% plant-based. Portobello Steak with Tomato Caper Sauce After spending time in my carefully-crafted marinade, they are cooked on a stovetop or grill. These tender portobello steaks are then topped with a ...