This Keto Chicken and Creamy Pesto Skillet is the kind of weeknight dinner you’ll actually look forward to. Tender chicken, a velvety pesto cream sauce, and bright pops of cherry tomato come together in one pan. It’s rich, satisfying, and perfectly low-carb without feeling restrictive.
Best of all, it cooks fast and makes great leftovers. Keep this one in your rotation for busy nights when you still want something that tastes special.

Keto Chicken and Creamy Pesto Skillet (Quick & Flavorful) - A Weeknight Favorite
Ingredients
- 1.5 pounds boneless, skinless chicken breasts (thinly sliced or pounded to even thickness)
- 1 tablespoon olive oil
- 1 tablespoon butter
- 3 cloves garlic, minced
- 1 cup heavy cream
- 1/3 cup prepared basil pesto (store-bought or homemade)
- 1/4 cup grated Parmesan (plus more for serving)
- 1 cup cherry tomatoes, halved (optional but recommended)
- 2 cups baby spinach (optional)
- Salt and black pepper, to taste
- Red pepper flakes, to taste (optional)
- Fresh basil, for garnish (optional)
- Lemon wedge, for finishing (optional)
Instructions
- Prep the chicken. Pat the chicken dry and season both sides with salt and pepper. Thin pieces cook faster and stay juicier, so slice or pound if needed.
- Heat the pan. Set a large skillet over medium-high heat. Add olive oil and butter, letting the butter foam and brown slightly for extra flavor.
- Sear the chicken. Add chicken in a single layer. Cook 3–4 minutes per side until golden and cooked through (165°F/74°C). Work in batches if needed. Transfer to a plate.
- Sauté garlic. Lower heat to medium. Add minced garlic to the skillet drippings and cook 30 seconds until fragrant, stirring to prevent burning.
- Make the cream base. Pour in heavy cream and bring to a gentle simmer. Scrape up any browned bits—they add tons of flavor.
- Stir in pesto and Parmesan. Whisk in pesto and Parmesan until smooth. Simmer 1–2 minutes until the sauce lightly thickens. Taste and season with salt, pepper, and red pepper flakes.
- Add veggies (optional). Stir in cherry tomatoes and spinach. Cook 1–2 minutes until the tomatoes soften slightly and the spinach wilts.
- Return chicken to the pan. Nestle chicken into the sauce and spoon sauce over the top. Simmer 1 minute to warm through. If the sauce is too thick, add a splash of water or cream.
- Finish and serve. Squeeze a little lemon over the skillet to brighten the richness. Garnish with fresh basil and extra Parmesan. Serve hot.
What Makes This Special

This skillet hits that sweet spot of indulgent and light. The creamy pesto sauce clings to seared chicken, delivering big flavor with minimal effort.
It’s naturally low-carb and gluten-free, so it suits a keto lifestyle without any swaps. You only need one pan, 25–30 minutes, and a few staple ingredients. The sauce is flexible too—add spinach, mushrooms, or zucchini without changing the core recipe.
What You’ll Need
- 1.5 pounds boneless, skinless chicken breasts (thinly sliced or pounded to even thickness)
- 1 tablespoon olive oil
- 1 tablespoon butter
- 3 cloves garlic, minced
- 1 cup heavy cream
- 1/3 cup prepared basil pesto (store-bought or homemade)
- 1/4 cup grated Parmesan (plus more for serving)
- 1 cup cherry tomatoes, halved (optional but recommended)
- 2 cups baby spinach (optional)
- Salt and black pepper, to taste
- Red pepper flakes, to taste (optional)
- Fresh basil, for garnish (optional)
- Lemon wedge, for finishing (optional)
How to Make It

- Prep the chicken. Pat the chicken dry and season both sides with salt and pepper.
Thin pieces cook faster and stay juicier, so slice or pound if needed.
- Heat the pan. Set a large skillet over medium-high heat. Add olive oil and butter, letting the butter foam and brown slightly for extra flavor.
- Sear the chicken. Add chicken in a single layer. Cook 3–4 minutes per side until golden and cooked through (165°F/74°C).
Work in batches if needed. Transfer to a plate.
- Sauté garlic. Lower heat to medium. Add minced garlic to the skillet drippings and cook 30 seconds until fragrant, stirring to prevent burning.
- Make the cream base. Pour in heavy cream and bring to a gentle simmer.
Scrape up any browned bits—they add tons of flavor.
- Stir in pesto and Parmesan. Whisk in pesto and Parmesan until smooth. Simmer 1–2 minutes until the sauce lightly thickens. Taste and season with salt, pepper, and red pepper flakes.
- Add veggies (optional). Stir in cherry tomatoes and spinach.
Cook 1–2 minutes until the tomatoes soften slightly and the spinach wilts.
- Return chicken to the pan. Nestle chicken into the sauce and spoon sauce over the top. Simmer 1 minute to warm through. If the sauce is too thick, add a splash of water or cream.
- Finish and serve. Squeeze a little lemon over the skillet to brighten the richness.
Garnish with fresh basil and extra Parmesan. Serve hot.
How to Store
- Refrigerator: Cool completely, then store in an airtight container for up to 3–4 days.
- Freezer: Cream sauces can separate when frozen, but this one holds decently. Freeze up to 2 months.
Thaw in the fridge and rewarm gently with a splash of cream.
- Reheating: Warm over low heat on the stove, stirring often. Add a little water or cream to loosen the sauce and keep it silky.
Health Benefits
- Keto-friendly macros: High in protein and healthy fats with minimal carbs, making it filling and satisfying.
- Supports satiety: The combination of protein and fat helps curb hunger and stabilize energy.
- Nutrient-dense add-ins: Spinach, basil, and tomatoes contribute vitamins A, C, K, and antioxidants.
- Gluten-free and low-sugar: No flour or added sugar needed, keeping it accessible for various dietary needs.
Common Mistakes to Avoid
- Overcooking the chicken: Thin pieces cook fast. Pull them as soon as they hit 165°F to keep them juicy.
- Boiling the cream hard: A gentle simmer is key.
A rapid boil can cause the sauce to break or become grainy.
- Using watery pesto: Some jarred pestos are runny. If yours is thin, reduce the cream a bit longer before adding the chicken.
- Skipping seasoning: Taste the sauce before serving and adjust salt, pepper, and acid (lemon) for balance.
- Crowding the pan: Sear in batches to get good color; pale chicken means less flavor.
Variations You Can Try
- Chicken thighs: Use boneless, skinless thighs for extra tenderness and flavor. Adjust cook time slightly.
- Dairy-light version: Swap half the heavy cream for unsweetened coconut cream.
Flavor changes slightly but stays rich.
- Mushroom boost: Sauté sliced cremini mushrooms after the chicken for earthy depth.
- Zucchini ribbons: Toss in zucchini ribbons or noodles for more volume without extra carbs.
- Sun-dried tomato pesto: Use a sun-dried tomato pesto for a sweeter, tangy twist.
- Spicy kick: Add Calabrian chili paste or extra red pepper flakes to the sauce.
- Cheesy finish: Stir in a handful of shredded mozzarella at the end for a stretchy, melty finish.
FAQ
Can I use rotisserie chicken?
Yes. Shred or slice cooked rotisserie chicken and warm it in the sauce for a few minutes. You’ll miss the seared flavor, but it’s a great shortcut.
Is there a substitute for heavy cream?
For keto, the best swap is unsweetened coconut cream.
You can also use half-and-half, but the sauce will be thinner and may need an extra minute to reduce.
What can I serve this with that’s still low-carb?
Try zucchini noodles, roasted asparagus, sautéed green beans, cauliflower rice, or a simple arugula salad with lemon and olive oil.
Can I make it dairy-free?
Use coconut cream in place of heavy cream and a dairy-free pesto. Skip the Parmesan or use a dairy-free alternative. Flavor will be a bit different but still delicious.
How do I prevent the sauce from breaking?
Keep the heat to a gentle simmer, add the pesto after the cream has warmed, and avoid boiling once the sauce is combined.
If it starts to separate, whisk in a tablespoon of cream off the heat.
Can I make this with shrimp?
Absolutely. Sear shrimp 1–2 minutes per side, remove, make the sauce, then return shrimp at the end to warm through. Don’t overcook.
What kind of pesto should I use?
Choose a pesto with simple ingredients: basil, olive oil, Parmesan, pine nuts, garlic, salt.
Avoid versions with added sugars or seed oils if you’re strict keto.
Final Thoughts
This Keto Chicken and Creamy Pesto Skillet brings big flavor with minimal effort. It’s the kind of comforting, reliable dinner that works on a busy weeknight and still feels worthy of guests. Keep pesto and cream on hand, and you’re never far from a great meal.
Enjoy it as-is, or make it your own with a few simple twists.

