Add beef, onion, jalapeño, and garlic, stirring occasionally until browned, about 5 to 7 minutes. Drain excess fat from beef mixture.
Stir in tomatoes, beef broth, tomato sauce, chili powder, cumin, ranch dressing mix, salt, and pepper. Cover, simmer, stirring occasionally, for 30 minutes.
Stir in corn, black beans, and Ranch Style Beans; cook until heated through. Add ½ cup water to thin soup, if desired. Stir in cilantro and lime juice.
Serve immediately. Garnish with lime wedges, cilantro, jalapeño, and black pepper, if desired.
Recipe by Southern Lady Magazine at https://southernladymagazine.com/texas-taco-soup-recipe/