Sweet Heat Caramelized Onion Fettuccine (Printer-friendly)

Golden caramelized onions meet creamy parmesan sauce with honey and spicy chili flakes in this satisfying pasta dish.

# 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
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
13 - 1/4 tsp black pepper

→ Garnish

14 - 2 tbsp chopped fresh parsley
15 - Extra grated Parmesan cheese for serving

# How to Make It:

01 - Boil fettuccine in a large pot of salted water until al dente. Reserve 1/2 cup pasta water before draining.
02 - Heat olive oil and butter in a large skillet over medium heat. Add sliced onions and salt. Cook for 10 minutes until softened and lightly browned, stirring occasionally.
03 - Sprinkle brown sugar over onions and continue cooking for 15-20 minutes, stirring frequently, until deeply caramelized and golden.
04 - Stir in minced garlic and chopped red chili pepper. Sauté for 1-2 minutes until fragrant.
05 - Add honey, heavy cream, Parmesan cheese, red pepper flakes, and black pepper. Simmer gently for 2-3 minutes until slightly thickened.
06 - Add cooked fettuccine to the skillet and toss thoroughly. Add 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 Tips:

01 -
  • The way sweet and spicy dance together makes every bite feel like a little surprise
  • Caramelized onions turn cream sauce into something restaurant worthy without any fancy techniques
  • This is the kind of comfort food that feels elegant enough for dinner guests but cozy enough for Tuesday
02 -
  • Caramelizing onions cannot be rushed over high heat or they will burn and taste bitter
  • The pasta water is crucial for getting that glossy restaurant style coating on every noodle
  • This sauce thickens quickly off the heat so serve immediately once everything is combined
03 -
  • Slice onions as thinly and evenly as possible so they caramelize at the same rate
  • Cast iron skillets develop the best fond but any heavy bottomed pan will work
  • If the sauce breaks, whisk in a teaspoon of cold water off the heat to bring it back together

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