Dinner · Part 3 of 3: Tips & recipe card
Creamy Garlic Butter Chicken Spaghetti for an Easy Weeknight Dinner Tips, FAQ & printable recipe

- Prep
- Cook
- Total
- Serves
- 4
Tips for success
For the ultimate silky sauce, pull the skillet off the heat entirely before stirring in the grated cheese. The residual heat of the butter and pasta water is more than enough to melt the cheese smoothly. Adding cheese to a boiling liquid can cause the proteins to clump and separate, resulting in a grainy texture rather than a glossy, cohesive sauce.
Always cook the spaghetti one minute shy of the package directions for al dente. The pasta will continue to cook and absorb liquid once it is tossed in the warm garlic butter sauce.
This technique ensures the noodles absorb the rich flavors of the sauce directly into their starch structure without becoming overcooked or soggy by the time they are served.
Variations
- Spicy Garlic Butter: Add a half teaspoon of crushed red pepper flakes to the melting butter and garlic for a subtle, warming heat.
- Lemon Herb: Stir in a tablespoon of fresh lemon juice and a teaspoon of lemon zest right before tossing the pasta to brighten the rich sauce.
Storage and make-ahead
- Fridge
- Store leftovers in an airtight container in the refrigerator for up to 3 days, ensuring they cool within 2 hours.
- Freezer
- Freezing is not recommended as the butter and cheese sauce will separate and become grainy upon thawing.
- Reheat
- Reheat gently on the stovetop over low heat, adding a splash of water and stirring constantly to recombine the sauce.
Store any leftover chicken and spaghetti in an airtight container in the refrigerator within two hours of cooking. Kept properly cold, the leftovers will remain delicious for up to three days.
Because butter-based sauces tend to tighten and separate when chilled, extra care must be taken during the reheating process to restore the original creamy consistency.
While this pasta is best enjoyed fresh, components can be prepared in advance to save time. The chicken can be seasoned and kept in the refrigerator up to 24 hours before cooking. You can also grate the cheese and prep the herbs ahead of time, storing them in separate containers in the fridge so assembly takes only a matter of minutes.
Serving ideas
Serve this elegant dish immediately while steaming hot, piling the glossy, herb-speckled spaghetti into shallow bowls. Slice the warm, juicy chicken breasts on a bias and fan the pieces beautifully over or alongside the pasta.
A final sprinkle of grated cheese and a shower of aromatic herbs over the top adds a beautiful visual contrast and a burst of fresh flavor.
Pair this rich, buttery pasta with a simple, crisp green salad tossed in a light vinaigrette to cut through the richness of the sauce.
Warm, crusty bread or garlic bread makes an excellent accompaniment, perfect for sweeping up any extra garlic butter sauce left on the plate. Keep a small bowl of extra cheese on the table for guests to customize their bowls.
Frequently asked questions
Can milk be used instead of pasta water?
Why did the cheese sauce separate or become greasy?
How is the chicken kept from drying out?
Creamy Garlic Butter Chicken Spaghetti for an Easy Weeknight Dinner

Ingredients
- 1 1/2 lb boneless skinless chicken breasts
- 1 tbsp seasoning blend
- 12 oz spaghetti
- 4 tbsp butter
- 4 cloves garlic, minced
- 1 cup grated cheese
- 1 tsp mixed herbs
Instructions
- Pat the chicken breasts dry and season generously on both sides with the seasoning blend.
- Melt one tablespoon of butter in a large skillet over medium-high heat. Sear the chicken for 6 to 8 minutes per side, until the exterior is beautifully golden-brown and the internal temperature reaches 165°F (74°C). Transfer the chicken to a cutting board and let it rest for 5 minutes before slicing.
- While the chicken cooks, bring a large pot of water to a rolling boil. Cook the spaghetti according to the package directions until al dente, then drain, reserving a half cup of the starchy pasta water.
- Reduce the skillet heat to medium-low and melt the remaining butter. Add the finely minced garlic and sauté for 1 to 2 minutes until fragrant, being careful not to let the garlic burn.
- Stir the grated cheese and mixed herbs into the skillet along with a splash of the reserved starchy pasta water. Whisk constantly over low heat until the cheese melts completely into a silky, creamy sauce.
- Add the drained spaghetti directly to the skillet, tossing gently to coat the pasta in the silky sauce. If the sauce is too thick, add another splash of the reserved pasta water. Serve topped with the sliced seared chicken.
Estimated nutrition per serving
- Calories
- 650
- Protein
- 46 g
- Carbohydrates
- 63 g
- Fat
- 24 g
- Fiber
- 2 g
- Sugar
- 1 g
- Sodium
- 800 mg
This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.






