01 -
In a large skillet over medium-high heat, cook the ground beef, breaking it apart with a spoon, until browned and nearly cooked through, about 4-5 minutes. Add the diced onion and sauté together until the onion is softened, another 2-3 minutes. Drain excess fat if necessary.
02 -
Reduce heat to medium. Stir in the tomato sauce, Rotel tomatoes with green chilies, sour cream, taco seasoning, and hot sauce. Mix until fully combined, then simmer the sauce gently for 10 minutes to allow flavors to blend.
03 -
Gradually add the shredded Colby Jack cheese to the beef and sauce mixture, stirring until the cheese is fully melted and the sauce is creamy and smooth.
04 -
Bring a large pot of salted water to a boil. Add the spaghetti and cook until al dente, according to package directions, typically 9-11 minutes. Drain the pasta thoroughly.
05 -
Add the drained spaghetti to the skillet with the beef and sauce, tossing well to ensure the pasta is thoroughly coated with the creamy taco sauce.
06 -
Divide the taco spaghetti among plates or bowls. Garnish with sliced black olives, diced tomatoes, green onions, and any other preferred toppings before serving.