Bring a large pot of salted water to a rolling boil.
Add 8 oz of elbow macaroni and cook according to the package instructions until al dente, usually about 8-10 minutes.
Drain and set aside, letting the steam evaporate.
In a skillet over medium heat, add 1 lb of ground beef.
Cook until browned, breaking it apart with a spatula for even cooking, which should take about 5-7 minutes.
Drain excess fat for a healthier dish!
Stir in 1 packet of taco seasoning and 1 cup of beef broth into the skillet with the cooked beef.
Let it simmer for about 5 minutes, allowing those flavors to meld beautifully together.
Reduce heat to low and add the cooked pasta, 1 cup of sour cream, 1 cup of shredded cheddar cheese, and 1 cup of drained diced tomatoes to the skillet.
Stir gently until everything is well combined and the cheese melts into a creamy delight.
Serve your cheesy taco pasta hot, topped with 1/2 cup of chopped green onions and optional sliced jalapeños for an extra kick if desired.