When it comes to making a dinner that feels gourmet without the hassle, Creamy Balsamic Caramelized Onion Chicken is the answer. It’s the perfect balance of sweet and savory—succulent chicken breasts are nestled in a rich, creamy balsamic sauce layered with deeply caramelized onions. It’s one of those meals that looks like it took hours to prepare but comes together in under an hour in just one skillet. Whether you’re looking for dinner ideas with caramelized onions or just a hearty dish that brings restaurant-level flavor to your table, this recipe will become a go-to favorite.
🍗 Why You’ll Love This Recipe
- One-skillet magic – Less mess, more flavor. Ideal for easy cleanup.
- Deeply flavorful – Caramelized onions and balsamic reduction add luxurious depth.
- Creamy without being heavy – The sauce is rich, but perfectly balanced with tangy balsamic and broth.
- Versátil – Serve it with mashed potatoes, rice, cauliflower mash, or crusty bread.
- Comfort food meets elegance – It’s wholesome, hearty, and sophisticated enough for entertaining.
🧅 The Star of the Dish: Caramelized Onions
Let’s talk onions. When cooked low and slow, their natural sugars develop and transform into golden, jammy magic. That process, known as caramelization, is what gives this dish its signature sweetness and depth.
To make easy caramelized onions for dinner, you just need a bit of patience and a good pan. They’re the flavorful backbone of this recipe and pair beautifully with the creamy balsamic sauce.
🍳 Ingredients
Here’s everything you need for this creamy balsamic caramelized onion chicken:
Para el Pollo:
- 4 boneless, skinless chicken breasts (or thighs)
- 1 cucharadita de sal
- ½ tsp black pepper
- 1 cucharadita de polvo de ajo
- 1 cucharada de aceite de oliva
- 1 tbsp unsalted butter
For the Caramelized Onions:
- 2 large yellow onions, thinly sliced
- 2 cucharadas de aceite de oliva
- 2 tbsp butter
- ½ tsp salt
- 1 tsp sugar (optional, to speed up caramelization)
- 1 tbsp balsamic vinegar (to deglaze)

For the Creamy Balsamic Sauce:
- 3 dientes de ajo, picados
- ½ cup chicken broth (or white wine)
- ¾ cup heavy cream (or half-and-half)
- 2 tbsp balsamic vinegar
- 1 tsp Dijon mustard (optional for a tangy layer)
- ¼ cup grated Parmesan cheese
- 1 tsp fresh thyme or rosemary (or ½ tsp dried)
🔪 How to Make Creamy Balsamic Caramelized Onion Chicken
Step 1: Caramelize the Onions
- In a large skillet or Dutch oven over medium heat, melt 2 tbsp butter y 2 cucharadas de aceite de oliva.
- Agregar el thinly sliced onions and sprinkle with ½ tsp salt y 1 tsp sugar (if using).
- Stir often and cook on medium-low heat for about 25–30 minutes, until the onions are soft, golden brown, and caramelized.
- Deglaze the pan with 1 tbsp balsamic vinegar, scraping up the brown bits. Remove onions and set aside.
👩🍳 Pro Tip: Be patient. Don’t rush this step. Properly caramelized onions are what elevate this dish from good to unforgettable.
Step 2: Sear the Chicken
- Season the chicken on both sides with salt, pepper, and garlic powder.
- In the same skillet, heat 1 cucharada de aceite de oliva y 1 tbsp butter over medium-high heat.
- Sear chicken for about 4–5 minutes per side, until golden brown and almost cooked through. Remove and set aside.
Step 3: Build the Sauce
- Lower the heat to medium. Add the de ajo picado and sauté for 30 seconds.
- Pour in the de caldo de pollo and stir, scraping up any remaining bits.
- Add balsamic vinegar, Mostaza de Dijon (if using), and cream.
- Simmer for 3–4 minutes, then stir in Queso parmesano and herbs.
- Return the caramelized onions and chicken to the skillet.
- Simmer uncovered for another 5–8 minutes, or until chicken is fully cooked and sauce is slightly thickened.
🍷 Optional Add-In: A splash of white wine instead of chicken broth adds elegance and brightness.
Paso 4: Servir y Disfrutar
Plate your creamy balsamic caramelized onion chicken over your favorite base. Here are a few winning ideas:
- Mashed potatoes or cauliflower mash
- Buttered egg noodles or linguine
- Garlic rice or wild rice
- Toasted crusty bread (perfect for soaking up that dreamy sauce)

🥗 What to Serve With This Dish
Balance this rich main with a light, refreshing side. Try:
- Simple arugula salad with lemon vinaigrette
- Steamed green beans or asparagus
- Roasted Brussels sprouts
- Balsamic-glazed carrots
🥄 Variations & Substitutions
Want to tweak it to fit your pantry or dietary needs? Try these:
- Chicken thighs instead of breasts – juicier and more flavorful.
- Yogur griego o coconut cream instead of heavy cream for a lighter or dairy-free version.
- Add mushrooms for extra umami.
- Use goat cheese instead of Parmesan for a tangy twist.
🧊 Storing & Reheating
This dish stores well and makes a great meal prep option.
- Fridge: Store in an airtight container for up to 4 days.
- Reheat: Warm gently on the stove over low heat. Add a splash of broth or cream if the sauce thickened in the fridge.
🧡 It tastes even better the next day!

🌿 Health Benefits of Onions
Caramelized onions aren’t just about flavor—they’re good for you too! Rich in antioxidants and anti-inflammatory compounds, onions support heart health, immune function, and digestion. Using them in savory recipes like this one is a delicious way to add depth and wellness to your meal.
🧄 Why Balsamic Vinegar?
Balsamic vinegar adds tangy depth, balances sweetness, and enhances the creamy sauce. When reduced slightly in the pan, it becomes syrupy and intensifies in flavor—making it the perfect contrast to sweet onions and creamy textures.
🍽 Make It a Date Night Meal
Light some candles, pour a glass of wine, and serve this Creamy Balsamic Caramelized Onion Chicken with a rustic bread basket and a fresh garden salad. It’s a crowd-pleaser, but it also feels intimate and special—ideal for a cozy night in or impressing guests.
📌 Final Tips for the Perfect Dish
- Use a heavy-bottomed skillet (cast iron or stainless steel) for the best sear and even cooking.
- Don’t overcrowd the pan when searing chicken—it needs room to brown.
- Deglaze properly – those browned bits on the bottom of the pan? That’s where the flavor lives.
- Finish with fresh herbs like thyme, rosemary, or parsley for brightness.
🔖 Save This Recipe For:
- Cozy fall and winter dinners
- Hosting friends (easy but impressive!)
- A flavorful twist on weeknight chicken
- Skillet chicken in balsamic caramelized onion cream sauce recipe cravings
- Sunday meal prep