What is the main protein source in a Black Bean Chalupa Supreme?

The main protein source in a Black Bean Chalupa Supreme is indeed black beans. This dish is designed for those who prefer a vegetarian option, and black beans serve as a high-quality source of protein while also providing fiber and essential nutrients. Unlike meat-based protein sources, black beans are plant-based, making them a versatile ingredient that caters to various dietary preferences. They not only add a hearty texture but also enrich the chalupa with a wholesome flavor profile that complements the other ingredients. This makes black beans a thoughtful choice for this specific menu item, as it aligns with Taco Bell's offerings aimed at customers looking for meatless options without sacrificing taste or nutrition.