Cheesy Taco Spaghetti with Ground Beef brings spiced meat sauce, tender noodles, and melty cheddar together for a 25-minute, family-friendly weeknight win.
This is the skillet you make when taco night and pasta night collide. A warmly spiced beef-and-tomato sauce hugs strands of spaghetti, then everything gets tossed with cheddar until it’s creamy, stretchy, and gloriously saucy. It’s comfort with a playful twist, perfect for busy evenings.
What Goes Into This Cheesy Taco Spaghetti
- Spaghetti noodles — Classic long pasta that soaks up the spiced, tomato-chile sauce and stays pleasantly chewy.
- Lean ground beef — Meaty richness without excess grease; browns fast for weeknights.
- Yellow onion — Sweetens as it softens and builds savory base notes for the sauce.
- Taco seasoning — A quick blend of chili, cumin, garlic, and paprika for reliable, balanced warmth.
- Diced tomatoes with green chiles — Juicy tang and mild heat that keeps the sauce lively.
- Shredded cheddar — Melts into a creamy, cohesive sauce with satisfying pull.
- Cilantro — Fresh, herbal finish; sprinkle just before serving.
- Salted pasta water — A splash loosens the sauce and helps it cling silkily to the noodles.
Step-by-Step Cheesy Taco Spaghetti
Boil the pasta. Cook spaghetti in well-salted water until al dente. Reserve some cooking water before draining.
Brown the beef. In a hot skillet, cook ground beef with diced onion, breaking it up until browned and fragrant.
Season and simmer. Stir in taco seasoning, the tomatoes with chiles, and a splash of reserved pasta water; simmer to thicken.
Bring it together. Add drained spaghetti to the skillet and toss until coated, adding more pasta water as needed for saucy gloss.
Cheese time. Off the heat, fold in shredded cheddar until melted and creamy.
Finish and serve. Scatter cilantro, taste for salt, and serve hot with your favorite toppings.
What to Serve with Taco Spaghetti
Keep sides simple and zippy to balance the cozy richness.
A crisp romaine and corn salad with lime vinaigrette adds crunch and brightness.
Roasted zucchini or bell peppers echo the seasoning. And buttery garlic toast is perfect for twirling up extra sauce.
Can I cook the pasta in the sauce?
Yes. Add 2 to 2½ cups water or low-sodium broth with the tomatoes and seasoning, then simmer the dry spaghetti in the skillet, stirring often. Cover partially, add splashes as needed, and cook until al dente before folding in cheese.
How spicy is it, and how can I adjust?
It’s mild-medium by default. Choose mild or hot diced tomatoes with chiles to control heat. Add minced jalapeño, red pepper, or chipotle powder for extra kick. For less heat, swap mild chili powder and use cheddar instead of pepper jack.
What cheeses work besides cheddar?
Plenty melt beautifully: Monterey Jack, pepper jack, Colby Jack, or a Mexican-style blend. For stretch, add a handful of low-moisture mozzarella. Grate from a block for the smoothest sauce; packaged shreds contain starch that can make sauces grainy when melted.
Can I substitute ground turkey or chicken?
Yes. Use the same method, adding a teaspoon of olive oil if the meat seems lean. Brown thoroughly for flavor, then season generously. Turkey or chicken benefit from an extra pinch of salt and cumin to match beef’s savory depth.
How can I make it creamy?
For a silky finish, stir in 2–3 tablespoons cream cheese or ¼ cup sour cream off the heat until melted. Alternatively, splash in heavy cream while tossing. Add gradually; you can always increase richness, but balancing later is harder otherwise.
Recipe Tips
- Salt early and often. Season pasta water well; it’s your best shot at flavorful noodles before they meet the sauce.
- Save that starch. Reserved pasta water emulsifies cheese and sauce, keeping everything glossy instead of clumpy.
- Grate your own cheese. Freshly shredded cheese melts smoother than pre-shredded, which often includes anti-caking starch.
Storage & Reheating
Cool leftovers quickly, then refrigerate in an airtight container for up to 4 days.
For longer keeping, freeze portions for 1–2 months. Reheat gently in a skillet with a splash of water or milk until hot and creamy, tossing often.
Refresh with a sprinkle of cheese and cilantro before serving.
Cheesy Taco Spaghetti with Ground Beef
Ingredients
- 1 can 10 oz / 284g diced tomatoes with green chilies (such as Rotel)
- 114 grams 4 oz freshly grated sharp cheddar cheese
- 450 grams 1 lb extra-lean ground beef
- 28 grams 1 oz taco seasoning blend
- 224 grams 8 oz dry spaghetti pasta
- 187 grams 1 small finely chopped yellow onion
- ¼ cup freshly chopped cilantro leaves for garnish
Instructions
- Fill a large saucepan with water, season generously with salt, and bring to a rolling boil. Add the spaghetti and cook until al dente following the package instructions. Before draining, scoop out ½ cup of the pasta cooking water and set it aside. Drain the pasta thoroughly.
- Meanwhile, in a wide skillet set over medium-high heat, add the ground beef and diced onion. Cook, stirring occasionally, until the beef is browned and the onions are softened—approximately 5 minutes.
- Incorporate the taco seasoning, canned tomatoes with their juices, and the reserved half-cup of pasta water into the skillet. Stir to combine, then bring the mixture to a gentle simmer and let it cook for 5 minutes.
- Add the drained spaghetti to the skillet, followed by the shredded cheddar cheese. Stir until the cheese is fully melted and coats the noodles and beef evenly.
- Serve immediately, garnished with freshly chopped cilantro. Optional toppings include extra shredded cheese, diced fresh tomatoes, or a dollop of sour cream.