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Sweet and Spicy Garlic Steak Pasta

Tender bites of sirloin steak coated in an irresistible sweet and spicy garlic sauce, tangled with perfect spaghetti. This dish is ridiculously easy, shockingly fast, and delivers huge flavor payoff, making it your new favorite weeknight meal.
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Course: Dinner, Main Course
Cuisine: American, Asian-Inspired
Ingredients Equipment Method Notes

Ingredients
  

For the Steak
  • 1 lb sirloin steak cubed
  • Salt and black pepper to taste
  • 1 tbsp soy sauce for steak
  • 1 tbsp olive oil
  • 1 tsp cornstarch optional
For the Sauce
  • 4 cloves garlic minced
  • 3 tbsp soy sauce
  • 2 tbsp honey or maple syrup
  • 1 tbsp brown sugar
  • 2 tbsp sriracha adjustable
  • 1 tbsp rice vinegar
  • 1 tsp sesame oil
  • 1 tsp crushed red pepper flakes adjustable
  • 2 tbsp water
For the Pasta
  • 8 oz spaghetti or other pasta shape
  • Salt for boiling water
  • 2 tbsp butter
For Garnish
  • Sesame seeds toasted
  • Fresh parsley or green onions chopped
  • Extra red pepper flakes optional

Equipment

  • Large Pot
  • Large Skillet or Wok
  • Tongs

Method
 

  1. Step 1: Cook pasta in a large pot of generously salted water until al dente. Reserve about 1/2 cup of pasta water. Drain the rest and return hot pasta to the pot (off the heat), tossing with 2 tablespoons butter until melted and coated.
  2. Step 2: While pasta cooks (or just before), pat cubed sirloin steak dry with paper towels. Toss steak cubes in a bowl with a pinch of salt, pepper, 1 tablespoon soy sauce, and the optional cornstarch until evenly coated.
  3. Step 3: Heat 1 tablespoon olive oil in a large skillet or wok over high heat until shimmering. Add seasoned steak cubes in a single layer (cook in batches if necessary) and sear undisturbed for 1-2 minutes per side until browned on the outside. Remove seared steak and set aside.
  4. Step 4: Lower heat slightly on the same pan (don't wipe it). Add minced garlic and sauté for 30-60 seconds until fragrant, being careful not to burn it. Pour in 3 tablespoons soy sauce, honey, brown sugar, sriracha, rice vinegar, sesame oil, crushed red pepper flakes, and 2 tablespoons water. Stir and simmer for 2-3 minutes until sauce thickens slightly and becomes glossy.
  5. Step 5: Add the buttered spaghetti directly into the pan with the sauce. Toss with tongs until coated. If needed, add a tablespoon or two of reserved pasta water to loosen the sauce. Return the seared steak to the pan and gently stir everything together until the steak is coated and cooked through.
  6. Step 6: Divide the pasta and steak into bowls. Garnish generously with toasted sesame seeds, chopped fresh parsley or green onions, and optional extra red pepper flakes. Serve immediately.

Notes

Substitutions: Swap sirloin for flank steak, skirt steak, chicken thighs, shrimp, or pressed tofu/mushrooms for vegetarian. Adjust sriracha/red pepper flakes for desired heat. Add veggies like broccoli, bell peppers, snap peas, or carrots after searing steak. For crunch, add chopped peanuts or cashews. Apple cider vinegar can substitute rice vinegar in a pinch. Other pasta shapes like penne, rotini, or ramen can be used.
Tips: Pat steak cubes very dry for a good sear. Don't overcrowd the pan when searing; cook in batches if needed. Don't overcook steak initially as it finishes in the sauce. Always salt pasta water. Reserve pasta water – it's key for sauce consistency. Prep steak and whisk sauce ingredients ahead of time for faster assembly.
Storage: Store cooled leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in the microwave or gently in a skillet with a splash of water or broth if needed. Freezing is possible but may affect pasta texture.