01 -
Heat olive oil in a 12-inch skillet over medium heat. Brown ground beef and onions until the meat is no longer pink and the onions are soft and translucent.
02 -
Add taco seasoning, Rotel tomatoes (including juice), uncooked spaghetti noodles, and water to the skillet.
03 -
Bring the mixture to a boil over high heat. Reduce heat to low, cover, and simmer for 15 minutes until the pasta has cooked through.
04 -
Remove the skillet from heat. Sprinkle half of the shredded cheese into the pan and stir until evenly distributed.
05 -
Top the dish with the remaining cheese and sprinkle with chopped cilantro before serving.