Step 1

Heat olive oil in a 12-inch skillet over medium heat.

Step 2

Brown ground beef and onion in the skillet until the meat is no longer pink and onions are soft and translucent.

Step 3

Add the taco seasoning, Rotel tomatoes (including juice), spaghetti noodles, and water.

Step 4

Bring to a boil over high heat. Once the water comes to a boil, reduce heat to low, cover, and simmer for 15 minutes.

Step 5

Remove from heat. Sprinkle half of the cheese into the pan and stir to distribute the cooked spaghetti and cheese throughout the pan.

Step 6

Top with remaining cheese and cilantro. Serve.