Sweet Heat Caramelized Onion Fettuccine (Printable)

Creamy fettuccine with golden caramelized onions, honey, and gentle spice in a rich Parmesan sauce.

# 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

# How To Make It:

01 - Boil fettuccine in salted water until al dente. Reserve 1/2 cup pasta water before draining.
02 - Heat olive oil and butter in skillet over medium heat. Add onions and salt, cook 10 minutes until softened and lightly browned.
03 - Sprinkle brown sugar over onions. Continue cooking 15-20 minutes, stirring frequently, until deeply caramelized and golden.
04 - Add minced garlic and chopped red chili to caramelized onions. Sauté 1-2 minutes until fragrant.
05 - Stir in honey, heavy cream, Parmesan, red pepper flakes, and black pepper. Simmer 2-3 minutes until slightly thickened.
06 - Add cooked fettuccine to skillet. Toss well, 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 Suggestions:

01 -
  • The way sweet onions and cream create the most luxurious coating on pasta youll ever taste
  • That perfect hit of heat that makes you pause and say oh wow
02 -
  • Caramelizing onions properly requires patience, and rushing this step is the difference between good pasta and absolutely incredible pasta
  • The pasta water is your secret weapon for rescuing too thick sauce, so never skip reserving it
03 -
  • Thin slice your onions as uniformly as possible so they caramelize at the same rate
  • Stir the onions more frequently during the last 10 minutes to prevent burning