This is a quick and easy vegetarian and vegan curry recipe using broccoli and potatoes cooked in an indian-spiced tomato sauce mixture with classical indian spices, including garam masala, cumin powder, chili powder, and cayenne pepper. It's all finished off with a touch of lemon juice to bring out all the flavors and make them pop. With nothing more than vegetables, potatoes and plenty of indian spices, this simple and healthy side dish is vegetarian, vegan, and gluten-free. Serve it alongside rice or any gluten-free grain such as quinoa or kaniwa for a simple gluten-free and vegan meal.