Tex-Mex Salisbury Steak

1 pound ground round
1/2 pound hot or mild ground pork sausage
1 small onion, chopped
1 large egg
1/2 cup fine, dry breadcrumbs
1/4 cup mild salsa
2 Tablespoons taco seasoning mix
2 Tablespoons chopped fresh cilantro, divided
1 (2.64 ounce) pkg country-style gravy mix
1 (14.5 ounce) can beef broth
1 (10 ounce) can diced tomatoes with green chiles, undrained

Combine first 7 ingredients and 1 Tablespoon cilantro. Shape mixture into 6 (1/3-inch thick) patties.
Heat a lightly greased large nonstick skillet over med-high heat. Add patties; reduce heat to low, cover, and cook 8 to 10 min per side or until center is no longer pink. Remove from skillet. Wipe pan clean.
Whisk together gravy mix, broth, tomatoes with chiles, and remaining cilantro. Cook over med heat 1 min or until thickened. Return patties to skillet, and cook until thoroughly heated.