Mustard-Parsley Chicken with Lemon Zest
Bright, tangy chicken thighs with a vibrant herb-mustard glaze, ready in 35 minutes. This French-inspired chicken recipe (keto, whole30), ready in about 35 minutes, pairs chicken thighs, avocado oil, yellow onion 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 Whole30 week and pairs well with roasted sweet potato or a simple olive-oil salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 lb (bone-in, skin-on) chicken thighs
- 1 tbsp avocado oil
- 1/2 cup (diced) yellow onion
- 2 tbsp (chopped) fresh parsley
- 1 tbsp Dijon mustard
- 1 tsp lemon zest
- 1 clove (minced) garlic
- 2 tbsp coconut aminos
- 1/4 tsp sea salt
- 1/4 tsp black pepper
The instant-read thermometer we’d check this chicken with → Best Instant-Read Thermometers for 2026: Fast, Accurate Picks Under $100
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Pat chicken thighs dry and season with 1/4 tsp sea salt and 1/4 tsp black pepper.
- Step 2: Heat avocado oil in a skillet over medium heat. Add chicken skin-side down and cook for 8 minutes until golden brown. Flip and cook for 5 more minutes until internal temperature reaches 165°F, then transfer to a plate.
- Step 3: Add diced onion to the same skillet and cook for 3 minutes until softened. Stir in minced garlic and cook for 30 seconds until fragrant.
- Step 4: Add Dijon mustard, coconut aminos, lemon zest, and 2 tbsp water. Simmer for 2 minutes, scraping up browned bits. Return chicken to the skillet, coating evenly, and cook for 2 minutes to heat through. Stir in 2 tbsp chopped parsley before serving.









