Keto Creamy Poblano Chicken

Featured in: Quick Family Meals

This dish features tender chicken breasts cooked to golden perfection, smothered in a rich, creamy poblano sauce infused with smoky paprika and cumin. Roasted cauliflower florets seasoned with garlic powder and smoked paprika accompany the chicken, adding a hearty, flavorful side. The combination balances creamy textures with smoky, bright flavors, making for a comforting and satisfying low-carb meal that’s simple to prepare and rich in taste.

Updated on Fri, 13 Feb 2026 12:26:00 GMT
Creamy poblano chicken with roasted cauliflower, a keto-friendly dish with tender chicken in rich sauce and golden roasted veggies.  Pin
Creamy poblano chicken with roasted cauliflower, a keto-friendly dish with tender chicken in rich sauce and golden roasted veggies. | potfuljoy.com

Last summer, my neighbor brought over poblano peppers from her garden—so many that I had no choice but to figure out what to do with them beyond salsa. That's when I discovered that roasting them until their skins blister, then folding them into a silky cream sauce with tender chicken, creates something genuinely craveable. The first time I made this, my kitchen smelled like charred peppers and garlic for hours, and I didn't mind one bit.

I made this for my partner after a long day when neither of us wanted takeout, and watching them clean their plate while actually relaxing told me everything. That's when I knew this recipe belonged in regular rotation—it's the kind of dish that makes people feel genuinely cared for without requiring hours in the kitchen.

Ingredients

  • Boneless, skinless chicken breasts (4): Look for ones that are roughly the same thickness so they cook evenly; if some are thicker, pound them gently to match.
  • Poblano peppers (2 medium): These are milder than jalapeños but packed with flavor when roasted—their sweetness is what makes this sauce special.
  • Olive oil (4 tablespoons total): Use a good quality oil since it's a prominent flavor here, not just cooking medium.
  • Onion (1 small, finely chopped): This builds the flavor foundation, so don't skip the chopping step or use a food processor—texture matters.
  • Garlic cloves (3, minced): Fresh garlic makes the difference between good and unforgettable; pre-minced won't give you the same brightness.
  • Ground cumin (1 teaspoon): This ties the whole dish to its Mexican roots with a warm, earthy note.
  • Smoked paprika (1 teaspoon): The smoke here echoes the roasted poblano peppers and adds complexity.
  • Heavy cream (1 cup): This is your richness and binding agent; don't use half-and-half or it won't achieve the same silky texture.
  • Chicken broth (½ cup): This keeps the sauce from being one-dimensional; the savory depth is crucial.
  • Monterey Jack cheese (½ cup shredded): It melts beautifully and adds a subtle richness without overpowering the poblano flavor.
  • Salt and pepper (to taste): Season in layers as you cook, not all at once at the end.
  • Fresh cilantro (1 tablespoon, chopped): This garnish is your finishing touch that lifts the entire dish with brightness.
  • Cauliflower florets (1 large head): Cut them similar in size so they roast uniformly and get that perfect golden exterior.
  • Garlic powder (1 teaspoon): For the cauliflower, this dries seasoning gets into every crevice as the florets caramelize.

Instructions

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Heat your oven and prep the poblanos:
Set your oven to 425°F and place the whole poblano peppers directly on a baking sheet. Let them roast for 15 minutes, turning them halfway through, until their skins are dark and blistered all over. The charring is your sign they're ready—don't be shy about it.
Steam and peel the roasted peppers:
Transfer the hot peppers to a bowl, cover it tightly with plastic wrap, and let them steam for 10 minutes—this makes peeling them so much easier. Once cooled slightly, rub off the blackened skin under cool running water, then remove the seeds and chop the flesh into bite-sized pieces.
Get the cauliflower roasting:
On another baking sheet, toss your cauliflower florets with olive oil, garlic powder, smoked paprika, salt, and pepper until evenly coated. Spread them in a single layer and roast for 25 minutes, stirring halfway through, until the edges turn golden brown and the florets are tender.
Sear the chicken until golden:
While everything roasts, pat your chicken breasts dry and season them generously with salt and pepper. Heat olive oil in a large skillet over medium-high heat until it shimmers, then add the chicken and sear for 4-5 minutes per side until the exterior is golden and the meat is cooked through—don't move them around; let them sit and develop that crust.
Build the sauce base:
Remove the chicken to a plate and lower the heat to medium. Add your finely chopped onion to the same skillet and cook for about 3 minutes until it turns translucent and softens. Add the minced garlic, cumin, and smoked paprika, stirring constantly for just 1 minute until the spices release their fragrance.
Combine and simmer the sauce:
Stir in the roasted poblano peppers, heavy cream, and chicken broth, scraping up any browned bits stuck to the bottom of the skillet. Bring everything to a gentle simmer and let it cook for 3-4 minutes until it thickens slightly and the flavors meld together.
Finish with cheese and bring it together:
Remove the skillet from heat and add the shredded Monterey Jack cheese, stirring until it's completely melted and the sauce is smooth and creamy. Return the chicken breasts to the skillet and spoon the sauce over them, then simmer for 2-3 minutes to heat everything through.
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Succulent chicken breasts simmered in smoky poblano cream sauce, served alongside crispy, seasoned cauliflower florets for a low-carb dinner.  Pin
Succulent chicken breasts simmered in smoky poblano cream sauce, served alongside crispy, seasoned cauliflower florets for a low-carb dinner. | potfuljoy.com

There's something about serving this dish that makes people slow down and actually enjoy dinner instead of rushing through. The creamy sauce coating the tender chicken, the caramelized cauliflower on the side—it all comes together to feel like you've cooked something special, even though you managed it on a regular Tuesday night.

The Magic of Roasted Poblanos

The first time I tried a poblano pepper raw, I was underwhelmed—mild, a bit grassy, nothing special. But roasting them completely transforms their personality; the heat caramelizes their natural sugars and brings out a deep, smoky richness that becomes the soul of this sauce. Once you roast a poblano, you'll understand why they've been prized in Mexican cooking for centuries.

Timing and Temperature Matter

The reason this dish comes together in under an hour is because everything happens on a strategic timeline. Your oven preheats while you prep, the poblanos and cauliflower roast simultaneously, and the sauce comes together in the time it takes to cook the chicken. Respect the temperatures and timing, and you'll hit that sweet spot where everything finishes at roughly the same moment.

Make It Your Own

This recipe is solid as written, but it's also flexible enough to reflect what's in your kitchen and what your palate craves. A squeeze of fresh lime at the end brightens everything; a pinch of red pepper flakes ups the heat if you like spice; swapping the Monterey Jack for pepper jack shifts the entire vibe toward something bolder.

  • Add a finely chopped jalapeño with the onions if you want real heat without overwhelming the poblano flavor.
  • Serve with a lime wedge on the side and let people squeeze it over to their taste—it's the kind of small touch that makes people think you're a better cook than you actually are.
  • Leftovers reheat beautifully in a 350°F oven for about 10 minutes, and the sauce actually tastes richer the next day as flavors settle.
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Mexican-inspired keto meal featuring juicy chicken in velvety poblano sauce, paired with garlic-roasted cauliflower for a satisfying, gluten-free plate. Pin
Mexican-inspired keto meal featuring juicy chicken in velvety poblano sauce, paired with garlic-roasted cauliflower for a satisfying, gluten-free plate. | potfuljoy.com

This is the kind of meal that reminds you why cooking at home beats ordering out—you know exactly what's in it, it costs less, and it tastes better. Make it once and it'll become part of your regular rotation, I promise.

Recipe Q&A

How do I roast poblano peppers properly?

Roast poblanos on a baking sheet at 425°F until their skins blister, then cover to steam. This makes peeling easier and enhances their smoky flavor.

Can I substitute Monterey Jack cheese?

Yes, using pepper jack adds a spicy kick, while cheddar offers a sharper taste, both melting smoothly in the sauce.

What’s the best way to cook the chicken breasts?

Sear chicken over medium-high heat until golden on both sides, then simmer in sauce to finish cooking and absorb flavors.

How should the cauliflower be prepared?

Toss cauliflower florets with olive oil, garlic powder, smoked paprika, salt, and pepper, then roast until tender and golden.

Can this dish be made spicier?

Add a chopped jalapeño with the onions or swap Monterey Jack for pepper jack cheese for extra heat.

Is this suitable for low-carb diets?

Yes, the dish combines protein-rich chicken and low-carb cauliflower with creamy sauce for a flavorful, keto-friendly meal.

Keto Creamy Poblano Chicken

Tender chicken with creamy poblano sauce and roasted cauliflower for a satisfying low-carb dish.

Preparation time
20 min
Cooking time
35 min
Total time
55 min


Difficulty Medium

Origin Mexican-Inspired

Yield 4 Servings

Dietary specifications Gluten-free, Low-Carb

Ingredients

Chicken and Sauce

01 4 boneless, skinless chicken breasts
02 2 medium poblano peppers
03 2 tablespoons olive oil
04 1 small onion, finely chopped
05 3 garlic cloves, minced
06 1 teaspoon ground cumin
07 1 teaspoon smoked paprika
08 1 cup heavy cream
09 1/2 cup chicken broth
10 1/2 cup shredded Monterey Jack cheese
11 Salt and pepper to taste
12 1 tablespoon fresh cilantro, chopped

Roasted Cauliflower

01 1 large head cauliflower, cut into florets
02 2 tablespoons olive oil
03 1 teaspoon garlic powder
04 1/2 teaspoon smoked paprika
05 Salt and pepper to taste

Instructions

Step 01

Preheat Oven: Set oven to 425°F (220°C).

Step 02

Roast Poblano Peppers: Place poblano peppers on a baking sheet and roast for 15 minutes, turning halfway through. Transfer roasted peppers to a bowl, cover with plastic wrap, and steam for 10 minutes. Peel away blistered skin, remove seeds, and chop into strips.

Step 03

Prepare and Roast Cauliflower: Toss cauliflower florets on a separate baking sheet with 2 tablespoons olive oil, garlic powder, smoked paprika, salt, and pepper. Roast for 25 minutes, stirring halfway through, until golden and tender.

Step 04

Sear Chicken Breasts: Season chicken breasts with salt and pepper. Heat 2 tablespoons olive oil in a large skillet over medium-high heat. Sear chicken 4-5 minutes per side until golden and cooked through. Transfer to a plate.

Step 05

Build Sauce Base: In the same skillet, add chopped onion and cook for 3 minutes until translucent. Add minced garlic, ground cumin, and smoked paprika; sauté for 1 additional minute.

Step 06

Combine Sauce Ingredients: Stir in roasted poblano peppers, heavy cream, and chicken broth. Bring to a simmer, then reduce heat and cook for 3-4 minutes until slightly thickened.

Step 07

Finish Sauce and Return Chicken: Add shredded Monterey Jack cheese, stirring until melted and sauce is smooth. Return seared chicken breasts to the skillet, spoon sauce over chicken, and simmer for 2-3 minutes to heat through.

Step 08

Plate and Garnish: Arrange chicken breasts with creamy poblano sauce on plates alongside roasted cauliflower. Garnish with chopped fresh cilantro and serve immediately.

Required equipment

  • Baking sheets
  • Large skillet
  • Chef's knife
  • Cutting board
  • Mixing bowls
  • Kitchen tongs

Allergen information

Review each ingredient to identify potential allergens and if uncertain, please consult a healthcare professional.
  • Contains dairy products: heavy cream and Monterey Jack cheese
  • Verify all dairy labels for potential allergen cross-contamination

Nutritional values (per serving)

These values are provided as a general guide only and shouldn't replace professional medical advice.
  • Calories: 445
  • Fat: 28 g
  • Carbs: 10 g
  • Protein: 39 g