French Onion Chicken with Caramelized Shallots

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Juicy chicken breasts cooked with deeply caramelized shallots and a savory broth, finished with a touch of thyme. This french-inspired low carb (low carb, gluten free) ready in about 45 minutes pairs medium, thinly sliced shallots, unsalted butter, minced garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.

★ 4.2 (13 ratings) Prep: 10 min Cook: 35 min Serves 4 French cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Season 4 boneless skinless chicken breasts with 1 tsp salt and 1/2 tsp black pepper. Heat 2 tbsp olive oil in a large skillet over medium-high heat and sear chicken for 4 minutes per side until golden brown. Remove and set aside.
  2. Step 2: Reduce heat to medium and add 3 tbsp unsalted butter to the skillet. Add 4 thinly sliced shallots and cook, stirring frequently, for 12-15 minutes until deeply caramelized and soft.
  3. Step 3: Stir in 3 minced garlic cloves and cook for 30 seconds until fragrant. Pour in 1 1/2 cups chicken broth and add 4 fresh thyme sprigs. Bring to a simmer.
  4. Step 4: Return chicken breasts to the skillet and spoon some shallot mixture over them. Cover and simmer on low heat for 10 minutes until chicken is cooked through.
  5. Step 5: Sprinkle 1/4 cup grated Parmesan cheese over the chicken and let it melt into the sauce. Serve hot with pan sauce spooned over the top.

Frequently asked questions

How long does French Onion Chicken with Caramelized Shallots take to make?

Total time is about 45 minutes (10 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover French Onion Chicken with Caramelized Shallots?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep unsalted butter from drying out.

Can I substitute ingredients in French Onion Chicken with Caramelized Shallots?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale French Onion Chicken with Caramelized Shallots for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is French Onion Chicken with Caramelized Shallots low carb?

Yes — this recipe is tagged low carb, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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