Imagine slicing into a golden, puffed egg bake that's bursting with smoky roasted poblano peppers, pockets of melted pepper jack cheese, and a gentle kick of jalapeño — all layered with cumin, smoked paprika, and a bright squeeze of lime. This Mexican-inspired egg bake delivers the bold, layered flavors of a loaded chile relleno in a format that's ridiculously easy to batch cook and reheat throughout the week. Every forkful is creamy from heavy cream and cream cheese, savory from two kinds of melted cheese, and just spicy enough to keep things exciting. It is, quite simply, the keto dinner you will actually look forward to eating on a Tuesday night.

The macro profile here is textbook ketogenic. Each generous serving delivers roughly 44 grams of fat — about 76% of the total calories — from eggs, heavy cream, cream cheese, butter, pepper jack, and avocado. Protein clocks in at a solid 23 grams thanks to the eggs and cheese, making this a complete and satisfying dinner. Meanwhile, net carbs stay at just 6 grams per serving, well within even strict keto limits, with the small amount of carbohydrates coming from the peppers, onion, and avocado.

The real magic of this recipe is its meal-prep potential. You bake the entire casserole in one dish, let it cool, then slice it into four perfect portions that refrigerate beautifully for up to five days. Each piece reheats in minutes — microwave, oven, or even a quick pass in a skillet — and tastes nearly as good as it did fresh from the oven. Top each serving with a quarter of an avocado, a dollop of sour cream, and a squeeze of lime right before eating, and you have a restaurant-quality keto dinner assembled in under three minutes on a busy weeknight.

Ingredients (serves 4)

For the egg bake:

  • 8 large eggs
  • 1/3 cup (80ml) heavy whipping cream
  • 2 oz (56g) cream cheese, softened
  • 4 oz (113g) pepper jack cheese, shredded
  • 2 tablespoons (28g) unsalted butter
  • 2 medium poblano peppers, seeded and diced (about 1 cup / 150g)
  • 1 medium jalapeño, seeded and finely minced
  • 1/4 cup (40g) white onion, finely diced
  • 2 cloves garlic, minced
  • 1 teaspoon ground cumin
  • 1/2 teaspoon smoked paprika
  • 1/2 teaspoon fine sea salt
  • 1/4 teaspoon freshly ground black pepper
  • 1 tablespoon (15ml) fresh lime juice

For serving (per portion):

  • 1/4 medium Hass avocado, sliced
  • 1 tablespoon (15g) full-fat sour cream
  • Fresh cilantro leaves
  • Lime wedge

Instructions

  1. Preheat and prep. Position a rack in the center of the oven and preheat to 375°F (190°C). Grease an 8×8-inch (20×20cm) baking dish with a light coating of butter or cooking spray. Set aside.

  2. Sauté the peppers and aromatics. Melt the 2 tablespoons of butter in a large skillet over medium heat. Add the diced poblano peppers, minced jalapeño, and diced onion. Cook, stirring occasionally, for 5–6 minutes until the peppers are softened and the onion is translucent. Add the minced garlic, cumin, and smoked paprika, and stir for 30 seconds until fragrant. Remove the skillet from heat and let the mixture cool for 3–4 minutes.

  3. Mix the egg base. In a large bowl, crack all 8 eggs and add the heavy cream, softened cream cheese, lime juice, salt, and pepper. Whisk vigorously until the cream cheese is mostly incorporated — a few small lumps are perfectly fine and will melt in the oven. Stir in three-quarters of the shredded pepper jack cheese (reserve the remaining quarter for topping).

  4. Combine and pour. Add the cooled pepper and onion mixture to the egg bowl and stir until evenly distributed. Pour the entire mixture into the prepared baking dish and spread it into an even layer. Scatter the reserved pepper jack cheese over the top.

  5. Bake. Place the dish on the center rack and bake for 28–32 minutes. The egg bake is done when the edges are golden brown and slightly puffed, the center is set with no visible liquid, and a knife inserted in the middle comes out clean. The top should have patches of browned, bubbly cheese.

  6. Rest and slice. Remove the baking dish from the oven and let it rest on a wire rack for at least 10 minutes. This resting time is important — it allows the egg bake to firm up and makes slicing much cleaner. Cut into 4 equal portions.

  7. Serve or store. For immediate serving, plate a portion and top with sliced avocado, a tablespoon of sour cream, fresh cilantro, and a squeeze of lime. For meal prep, let portions cool completely to room temperature, then transfer to individual airtight containers without the avocado or sour cream toppings. Refrigerate for up to 5 days. Add fresh toppings at the time of reheating.

Nutrition per Serving

Nutrient Amount
Calories ~525 kcal
Fat ~44g
Protein ~23g
Total Carbs ~10g
Fiber ~4g
Net Carbs ~6g

Nutrition values are approximate and based on the stated ingredients, including the avocado and sour cream toppings. Actual values may vary by brand.

Tips & Variations

Choose your heat level carefully. The poblano peppers provide a mild, smoky flavor while the jalapeño adds the real kick. For a milder bake, remove every bit of the jalapeño's seeds and white membrane, or omit it entirely. For more heat, leave a few seeds in or add a teaspoon of diced chipotle in adobo sauce to the egg mixture — just check the label on the adobo sauce for added sugars, as some brands sneak in 1–2 grams of carbs per teaspoon.

Reheat for the best texture. While the microwave works in a pinch (90 seconds on medium power), the best reheating method for meal-prepped portions is a skillet over medium-low heat with a small pat of butter. Cook for 2–3 minutes per side until warmed through. This restores some of the golden crust on the bottom and edges that microwaving tends to soften.

Swap the cheese to match your mood. Pepper jack brings both creaminess and a subtle spice, but this recipe works beautifully with other keto-friendly cheeses. Try sharp cheddar for a richer flavor, Oaxaca cheese for an authentic Mexican melt, or a combination of Monterey jack and cotija for a salty, crumbly contrast. All have similar macros and will keep you well within keto range.

Watch the hidden carbs in toppings. Salsa is a natural pairing for anything Mexican, but many store-bought salsas contain added sugar or enough tomato to push carbs higher than you would expect. If you want salsa, opt for a fresh pico de gallo made with just tomato, onion, jalapeño, cilantro, and lime — or use a sugar-free brand. A two-tablespoon serving of typical salsa adds 1–2 grams of net carbs.

Double the batch for a full week. This recipe scales effortlessly. Use a 9×13-inch (23×33cm) baking dish, double all the egg bake ingredients, and increase the bake time to 38–42 minutes. You will get 8 portions that store just as well, giving you a full week of keto dinners from a single cooking session on Sunday afternoon.

Frequently Asked Questions

Is this egg bake truly keto-compliant with the peppers and onion?
Absolutely. While bell peppers and onions do contain some natural carbohydrates, the amounts used in this recipe are carefully portioned to keep net carbs low. The poblano peppers contribute roughly 2 grams of net carbs per serving, and the quarter cup of onion shared across four servings adds less than 1 gram each. Combined with the high fat content from eggs, cream, cheese, and butter, each serving sits at approximately 6 grams of net carbs — well within the typical keto threshold of 20 grams daily. The key is the ratio: a lot of fat-rich ingredients and a modest amount of vegetables.
Can I use a different type of pepper instead of poblano?
Yes, you have several good options. Anaheim peppers are the closest substitute — they are slightly milder but have a similar thick-walled texture that holds up well in baking. Green bell peppers will work if you cannot find either, though they lack the smoky depth of poblanos. For an even smokier flavor, you could use a small amount of reconstituted dried ancho chiles (which are simply dried poblanos), finely diced — about 2 tablespoons. Avoid substituting with thin-skinned hot peppers like serranos in the same quantity, as they will make the dish significantly spicier.
How long does this keep in the fridge, and can I freeze it?
The egg bake (without avocado and sour cream toppings) stores in the refrigerator for up to 5 days in airtight containers, making it ideal for Sunday meal prep through Thursday or Friday dinner. For freezing, wrap individual portions tightly in plastic wrap and then aluminum foil, or place them in freezer-safe containers. Frozen portions will keep for up to 2 months. Thaw overnight in the refrigerator before reheating. Note that the texture after freezing will be slightly softer than fresh, but the flavor remains excellent. Always add the avocado, sour cream, and lime fresh at the time of eating.
How can I make this dairy-free or vegan keto?
For a dairy-free version, replace the heavy cream with full-fat coconut cream, the cream cheese with a coconut-based cream cheese alternative, and use a dairy-free pepper jack style shredded cheese. Skip the sour cream topping or use a coconut-based alternative. The butter can be swapped for coconut oil or avocado oil. For a fully vegan keto version, you would need to replace the eggs entirely — a mixture of silken tofu blended with chickpea flour and nutritional yeast can approximate the texture, though the dish becomes quite different in character. A JUST Egg-style liquid egg substitute also works, though you should check the carb count per serving on your specific brand.
Why does my egg bake sink in the middle after coming out of the oven?
A slight deflation in the center is completely normal and does not indicate a problem. The eggs puff up during baking as steam and air expand, then settle as they cool. If your bake sinks dramatically or the center remains jiggly, it is likely underbaked — return it to the oven for another 5 minutes and check again. To minimize sinking, make sure your cream cheese is truly softened before mixing (cold cream cheese creates uneven pockets), avoid opening the oven door during the first 20 minutes of baking, and let the bake rest the full 10 minutes before slicing. The resting period allows the residual heat to finish setting the center gently.