Sweet Heat Caramelized Onion Fettuccine (Printable)
Luxurious fettuccine tossed with sweet caramelized onions and spicy heat creates a perfectly balanced, memorable pasta meal.
# What You Need:
→ Pasta
01 - 14 oz fettuccine
→ Caramelized Onions
02 - 2 tbsp olive oil
03 - 2 tbsp unsalted butter
04 - 3 large yellow onions, thinly sliced
05 - 2 tbsp brown sugar
06 - 1 tsp salt
→ Sweet Heat Sauce
07 - 3 cloves garlic, minced
08 - 1 red chili pepper, finely chopped, seeds removed for less heat
09 - 1/2 cup heavy cream
10 - 1/4 cup grated Parmesan cheese
11 - 1 tbsp honey
12 - 1/2 tsp crushed red pepper flakes, optional for extra heat
13 - 1/4 tsp black pepper
→ Garnish
14 - 2 tbsp chopped fresh parsley
15 - Extra grated Parmesan cheese for serving
# Steps:
01 - Cook fettuccine in a large pot of salted boiling water until al dente. Reserve 1/2 cup pasta water, drain and set aside.
02 - Heat olive oil and butter in a large skillet over medium heat. Add sliced onions and salt. Cook, stirring occasionally, until onions soften and start to brown, about 10 minutes.
03 - Sprinkle brown sugar over onions and continue cooking, stirring frequently, until deeply caramelized and golden, 15-20 more minutes.
04 - Add minced garlic and chopped red chili pepper to caramelized onions. Sauté for 1-2 minutes until fragrant.
05 - Stir in honey, heavy cream, Parmesan, red pepper flakes if using, and black pepper. Simmer gently for 2-3 minutes until sauce thickens slightly.
06 - Add cooked fettuccine to the skillet. Toss well to coat, adding reserved pasta water one tablespoon at a time until sauce reaches desired consistency.
07 - Taste and adjust seasoning as needed. Serve hot, garnished with fresh parsley and extra Parmesan cheese.
# Expert Advice:
01 -
- The sweet onions and spicy kick create this incredible push-pull that keeps you going back for just one more bite
- It feels fancy enough for date night but comes together with ingredients I almost always have in my pantry
02 -
- Caramelized onions take longer than you think they should, and rushing them means missing out on all that deep sweetness
- The pasta water is your secret weapon for making the sauce cling to every strand of fettuccine
03 -
- Slice your onions as thinly as you can for even cooking and better texture
- Grate your own Parmesan instead of buying pre-grated, it melts so much better