Lilly Simmering Orange County Recipe: Easy Citrus Chicken

Lilly Simmering Orange County is a bright, citrus-forward chicken dish inspired by the sunny flavors of Southern California. Tender chicken thighs are simmered in a glossy sauce made with fresh orange juice, garlic, and a touch of honey, creating a savory-sweet balance that feels both comforting and refreshing. It’s a one-pan meal that comes together quickly, making it perfect for busy weeknights when you want something flavorful without a lot of fuss.

Ingredients

8 bone-in, skin-on chicken thighs (about 2 lb / 900 g)
1 tbsp (15 ml) olive oil
1 medium yellow onion, thinly sliced
3 cloves garlic, minced
1 cup (240 ml) fresh orange juice (from about 2 large oranges)
1 tbsp (15 ml) soy sauce
1 tbsp (15 ml) honey
1 tsp (5 g) Dijon mustard
1 tsp (2 g) dried thyme
1/2 tsp (1 g) red pepper flakes (optional)
Salt and freshly ground black pepper, to taste
1 tbsp (8 g) cornstarch mixed with 2 tbsp (30 ml) cold water (slurry)
Fresh parsley, chopped, for garnish

Instructions

Pat the chicken thighs dry with paper towels. Season both sides generously with salt and pepper.
Heat the olive oil in a large, deep skillet or Dutch oven over medium-high heat. Place the chicken skin-side down and cook undisturbed for 5–7 minutes, until the skin is golden and crisp. Flip and cook for another 4–5 minutes. Transfer the chicken to a plate; set aside.
Reduce the heat to medium. Add the sliced onion to the same skillet and cook, scraping up any browned bits, for 4–5 minutes until softened. Add the garlic and cook for 1 minute more, until fragrant.
Pour in the orange juice, soy sauce, honey, Dijon mustard, thyme, and red pepper flakes (if using). Stir well to combine, scraping the bottom of the pan.
Return the chicken to the skillet, skin-side up, along with any accumulated juices. Bring the sauce to a gentle simmer, then reduce the heat to low, cover, and cook for 20–25 minutes, until the chicken is cooked through and registers 165°F (74°C) on a food thermometer (USDA FSIS safe minimum for poultry).
Remove the chicken to a serving platter. If the sauce looks thin, bring it to a boil over medium-high heat and whisk in the cornstarch slurry. Cook for 1–2 minutes, until thickened to your liking. Season with salt and pepper to taste.
Spoon the sauce over the chicken and garnish with parsley before serving.

Tips

Use fresh orange juice: Bottled juice often has added sugar and a flat flavor. Fresh-squeezed makes a noticeable difference in the sauce.
Don’t skip browning: Searing the chicken first builds a deep, savory base that keeps the dish from tasting one-dimensionally sweet.
Adjust the sweetness: If your oranges are very sweet, reduce the honey to 2 teaspoons (10 ml). For a tarter sauce, add a squeeze of lemon at the end.
Make it gluten-free: Use tamari or coconut aminos instead of soy sauce. The rest of the ingredients are naturally gluten-free.

Serving Suggestions

Serve the chicken over steamed white rice, quinoa, or buttered egg noodles to soak up the citrus sauce. A side of roasted green beans or a crisp arugula salad with a simple vinaigrette balances the richness. For a low-carb option, pair it with cauliflower rice or sautéed zucchini noodles.

Variations

Orange-Ginger: Add 1 tablespoon (15 g) freshly grated ginger along with the garlic for a warm, spicy note.
Herby Citrus: Replace the thyme with fresh rosemary or tarragon, and add a tablespoon of chopped fresh basil at the end.
Chicken Breast: Use 4 boneless, skinless chicken breasts (about 1.5 lb / 680 g). Sear for 3–4 minutes per side, then simmer covered for 15–18 minutes until they reach 165°F (74°C).
Slow Cooker: Brown the chicken and sauté the aromatics as directed, then transfer everything to a slow cooker. Cook on low for 4–5 hours or high for 2–3 hours. Thicken the sauce on the stovetop as in step 6.

Storage and Reheating

Refrigerate leftovers in an airtight container within 2 hours of cooking. They will keep for 3–4 days. To reheat, place the chicken and sauce in a covered skillet over medium-low heat, adding a splash of water or orange juice if the sauce has thickened too much, and warm until the chicken reaches 165°F (74°C) on a food thermometer. You can also reheat individual portions in the microwave in 1-minute intervals, stirring the sauce midway. Freeze the cooked chicken and sauce in a freezer-safe container for up to 3 months; thaw overnight in the refrigerator before reheating.

Frequently Asked Questions

Can I use orange marmalade instead of honey? Yes. Use 1 tablespoon (20 g) of marmalade in place of the honey. It will add a bit more orange flavor and a slightly thicker texture. Reduce the soy sauce to 2 teaspoons (10 ml) to balance the extra sweetness.

Why is my sauce bitter? Bitterness can come from over-reducing the orange juice or from using the white pith when juicing. Be careful not to squeeze the oranges too hard, and avoid simmering the sauce for longer than needed. Adding a pinch of salt can help mask bitterness.

Can I make this dairy-free? This recipe is naturally dairy-free. Just ensure your Dijon mustard doesn’t contain any milk ingredients (most don’t).

What if I don’t have a food thermometer? If you don’t have one, cook the chicken until the juices run clear and there is no pink near the bone. However, for food safety, a thermometer is strongly recommended to ensure the internal temperature reaches 165°F (74°C).

Can I use chicken thighs without skin? Yes, boneless skinless thighs will work. Reduce the initial searing time to 3–4 minutes per side, and simmer for 15–20 minutes. They may cook faster, so check the temperature early.

How do I thicken the sauce without cornstarch? You can simmer the sauce uncovered for an extra 5–10 minutes until it reduces and naturally thickens. Alternatively, mash a few of the cooked onions into the sauce to add body.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).