Heat beef tallow in a pot over medium heat
Add diced onion and cook until softened
Add minced garlic and jalapeño (if using) and cook briefly
Add ground beef and brown, breaking it up as it cooks
Stir in beef broth, Worcestershire sauce, and yellow mustard
Add chili powder, paprika, black pepper, cumin, bay leaf, kosher salt, and Mexican oregano
Add cayenne pepper if desired for extra heat
Simmer until flavors meld and sauce thickens
Stir in crushed crackers to achieve desired consistency
Add water as needed to reach desired thickness
Adjust seasoning with additional salt as needed
Serve over hot dogs
