– 2 tablespoons olive oil – 1 pound ground beef – ¼ cup yellow onions – ¼ cup (or 1 packet) taco seasoning – 10 ounce can of Rotel tomatoes – 8 ounces of spaghetti noodles, uncooked – 3 cups water – 4 ounces of cheddar cheese, shredded – ½ cup chopped cilantro