Keto Jalapeño Cheddar Egg Cups

Featured in: Holiday Breakfasts

These protein-packed egg cups combine fluffy eggs with sharp cheddar and mild jalapeño heat. Ready in just 30 minutes, they're ideal for meal prep and busy mornings. The individual portions bake until golden and puffy, creating a satisfying breakfast that stays fresh for days.

Updated on Tue, 10 Feb 2026 10:31:00 GMT
Freshly baked Keto Jalapeño Cheddar Egg Cups sit in a muffin tin with golden, bubbly cheese tops and specks of green onions. Save It
Freshly baked Keto Jalapeño Cheddar Egg Cups sit in a muffin tin with golden, bubbly cheese tops and specks of green onions. | zetluna.com

One Tuesday morning, my partner stood at the kitchen counter looking defeated by the usual scrambled egg routine, and I realized our keto breakfast had become predictably boring. That's when I thought of baking eggs in muffin tins with sharp cheddar and jalapeños, and suddenly we had something we could grab on hectic mornings without sacrificing flavor or carbs. These little cups hit differently when they're warm and slightly puffed, the cheese getting those golden edges while the jalapeño's heat whispers through every bite.

I brought a batch to a weekend brunch and watched my friend who'd been skeptical about keto breakfasts eat three of them while talking about how they actually tasted good, not like she was punishing herself. That moment made me realize these egg cups had crossed over from "diet food" into genuine comfort breakfast territory.

Ingredients

  • Eggs: Six large ones provide structure and richness; room temperature eggs blend more smoothly into the cream mixture.
  • Sharp cheddar cheese: The sharpness cuts through the richness and creates those tiny golden edges when baked, so don't swap it for mild.
  • Heavy cream: This keeps the texture custardy rather than rubbery, and it's essential for the creamy mouthfeel.
  • Jalapeño: Deseeding removes most heat while keeping the flavor; if you want serious spice, leave the ribs in.
  • Red bell pepper: Adds sweetness and color without changing the carb count meaningfully.
  • Green onions: They stay slightly tender after baking and add a fresh bite that matters.
  • Garlic powder, salt, and black pepper: These basics are all you need; fresh garlic can turn bitter when baked at this temperature.

Instructions

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Heat your oven and prep the tin:
Set the oven to 350°F and grease your muffin tin thoroughly so the cups release cleanly. Silicone liners make cleanup almost disappear, which matters when you're making these repeatedly.
Whisk the base:
Combine eggs with heavy cream and seasonings in a medium bowl, whisking until the mixture turns pale yellow and falls from the whisk in ribbons. This whisking action is what creates the slightly airy texture later.
Fold in the flavor:
Gently stir in the cheese, jalapeño, bell pepper, and green onions; don't overmix or you'll knock air out of the eggs. The vegetables should be evenly distributed throughout.
Fill and top:
Divide the mixture among the six cups, filling each about three-quarters full to allow room for puffing. Add extra jalapeño slices on top if you're feeling bold about heat.
Bake until set:
Slide the tin into the oven for 18 to 20 minutes; you're looking for puffed tops that are golden brown and centers that jiggle just slightly when you shake the tin gently. Every oven runs different, so check at 17 minutes if yours tends to cook hot.
Cool and release:
Let the tin sit for 3 to 5 minutes so the cups set slightly and cool enough to handle. Run a thin knife around each cup's edges to loosen, then pop them out.
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Grill meats and vegetables indoors with beautiful sear marks and easy cleanup using minimal oil.
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Six Keto Jalapeño Cheddar Egg Cups on a white plate next to a bowl of sour cream and a sprig of cilantro. Save It
Six Keto Jalapeño Cheddar Egg Cups on a white plate next to a bowl of sour cream and a sprig of cilantro. | zetluna.com

My mom came to stay and skeptically grabbed one of these egg cups from the fridge, microwaved it in about 30 seconds, and then asked the recipe before she'd even finished eating it. That's when I knew they'd become something she'd actually make at home, not just something to tolerate when visiting.

Storage and Meal Prep

These egg cups keep in an airtight container in the refrigerator for up to four days, which honestly makes them one of my favorite meal prep items because they're genuinely better than most breakfast foods that sit in storage. Reheating in the microwave for about 30 seconds per cup restores the texture without drying them out, and they taste almost as good as fresh baked.

Flavor Swaps and Variations

Once you nail the basic formula, swapping cheeses becomes fun; Monterey Jack brings a softer richness, while pepper jack adds serious heat and complexity. I've tried diced ham and cooked bacon, both of which add a savory depth that makes these feel less like diet food and more like real breakfast, and the extra protein doesn't hurt on a keto plan.

Serving Ideas and Timing

These egg cups fit any time of day where you'd normally grab something quick, and they work just as well for lunch alongside a salad as they do for breakfast with coffee and avocado. Make them on Sunday and you've basically outsourced five rushed mornings, which is a kind of kitchen magic that doesn't get enough credit.

  • Pair with a handful of fresh cilantro if you love that flavor.
  • Add a dollop of sour cream or Greek yogurt on the side for extra richness.
  • Slice them in half and nestle them into lettuce cups for a low-carb lunch option.
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A close-up of a Keto Jalapeño Cheddar Egg Cup cut in half, revealing fluffy eggs, melted cheddar, and diced jalapeños inside. Save It
A close-up of a Keto Jalapeño Cheddar Egg Cup cut in half, revealing fluffy eggs, melted cheddar, and diced jalapeños inside. | zetluna.com

These little egg cups taught me that keto doesn't mean boring, and meal prep doesn't have to feel like deprivation. They're just proof that good food, made with intention, sticks around.

Common Questions About Recipes

How long do these egg cups last in the refrigerator?

Store cooled egg cups in an airtight container in the refrigerator for up to 4 days. They reheat beautifully in the microwave in about 30 seconds.

Can I freeze these egg cups?

Yes! Wrap each cooled egg cup individually in plastic wrap and freeze for up to 2 months. Thaw overnight in the refrigerator before reheating.

How can I make these less spicy?

Remove all seeds and membranes from the jalapeño before chopping, or reduce the amount to half. You can also substitute with mild green chilies.

What other cheeses work well in this recipe?

Monterey Jack, pepper jack, Swiss, or gruyere all work beautifully. For a dairy-free version, use your favorite vegan shredded cheese alternative.

Can I add meat to these egg cups?

Absolutely! Crispy cooked bacon, diced ham, or cooked sausage all make delicious additions. Add about 1/3 cup of your chosen meat to the egg mixture.

Do I need to use a muffin tin?

A 6-cup muffin tin creates the perfect portion size. You can also use silicone liners for easy removal, or bake in a greased 8x8 inch pan and cut into squares.

Keto Jalapeño Cheddar Egg Cups

Savory baked egg cups with sharp cheddar and jalapeños. Ready in 30 minutes.

Prep Time
10 mins
Time to Cook
20 mins
Overall Time
30 mins
Authored by Clara

Recipe Type Holiday Breakfasts

Skill Level Required Easy

Cuisine Type American

Recipe Output 3 Number of Portions

Dietary Needs Veggie-Friendly, Free of Gluten, Low-Carbohydrate

The Ingredients You'll Need

Eggs

01 6 large eggs

Dairy

01 1/2 cup shredded sharp cheddar cheese
02 1/4 cup heavy cream

Vegetables

01 1 medium jalapeño, deseeded and finely chopped
02 1/4 cup diced red bell pepper
03 2 tablespoons chopped green onions

Seasonings

01 1/4 teaspoon garlic powder
02 1/4 teaspoon salt
03 1/8 teaspoon black pepper

Optional Garnish

01 Extra sliced jalapeño
02 Chopped cilantro

Step-by-Step Instructions

Step 01

Prepare baking vessel: Preheat oven to 350°F. Lightly grease a 6-cup muffin tin with nonstick spray or line with silicone muffin liners.

Step 02

Combine wet ingredients: In a medium bowl, whisk together eggs, heavy cream, garlic powder, salt, and black pepper until well combined.

Step 03

Incorporate vegetables and cheese: Stir in shredded cheddar cheese, jalapeño, red bell pepper, and green onions until evenly distributed.

Step 04

Fill muffin cups: Divide mixture evenly among 6 muffin cups, filling each approximately 3/4 full.

Step 05

Add garnish: Top each cup with extra jalapeño slices if desired.

Step 06

Bake until set: Bake for 18 to 20 minutes, or until egg cups are puffed, golden, and set in the center.

Step 07

Cool and release: Let cool for 3 to 5 minutes, then run a knife around the edges to release. Serve warm or refrigerate for up to 4 days.

Tools You'll Need

  • 6-cup muffin tin
  • Medium mixing bowl
  • Whisk
  • Knife and cutting board

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains eggs and dairy (cheese and cream)
  • Verify cheese and spice labels for potential gluten contamination if highly sensitive

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 110
  • Fats: 8 grams
  • Carbohydrates: 1 grams
  • Proteins: 7 grams