Cheesy Low-Carb Omelet

Name: Cheesy Low-Carb Omelet
Prep time: 14 min
Cook time: 15 min
Ingredients: 3 large eggs; 1 tbsp water; 1 tbsp butter; 2 oz cooked ham, diced small (about 1/3 cup); 2 tbsp diced green bell pepper; 1/4 cup shredded sharp cheddar; 1/4 tsp salt; 1/8 tsp black pepper

⏲ ~29 min total · prep 14 · cook 15 · 4 servings

Breakfast⏱ 12 min total🔥 3.0g net carbs⚡ ≈443 kcal/serving~3% of calories from carbs

By the KFI Test Kitchen · Tested & approved by Jason Lieu, KFI recipe editor

Published Sep 15, 2026 · Updated Sep 15, 2026

Ingredients

3 large eggs
1 tbsp water
1 tbsp butter
2 oz cooked ham, diced small (about 1/3 cup)
2 tbsp diced green bell pepper
1/4 cup shredded sharp cheddar
1/4 tsp salt
1/8 tsp black pepper

Instructions

Set an 8-inch nonstick skillet over medium heat, melt the butter, and tilt to coat the sides.
Add the diced ham and green bell pepper and sauté 2 minutes, until the ham picks up brown spots and the pepper softens. Slide them onto a plate.
Whisk the eggs, water, salt, and black pepper for 30 seconds until frothy, then pour into the same pan.
As the edges set, about 40 seconds in, tilt the pan and pull the set egg toward the center with a spatula so the liquid runs underneath — do this once, no more.
When the top is wet but no longer loose, about 1 minute more, scatter the cheddar over one half and spoon the ham and pepper on top.
Loosen the empty half with the spatula and flip it over the filling, pressing down gently.
Cook 45-60 seconds per side, flipping the omelet twice, until the cheese is fully melted and the eggs show pale golden spots. Slide out, rest 1 minute, and cut in half.

Why this recipe works

An 8-inch pan Three eggs need depth for a folded omelet. The small skillet builds a thick base that flips twice without tearing.
Fillings cooked first Two minutes of saute gives the ham brown spots and softens the green bell pepper, so nothing raw or watery lands on the eggs.
Water in the whisk A tablespoon of water beats to froth fast and keeps the eggs light, which leaves the cheddar and ham to carry the richness.

Tips for making this recipe well

One tilt only

Pull the set edges to the center a single time so the liquid egg runs underneath. Repeat trips shred the base.

Cheese under the filling

Scatter the cheddar first, then spoon the ham and pepper on top. Melted cheese glues the filling in place when you fold.

Two flips, gently

Forty-five to 60 seconds per side, flipped twice. That is what melts the cheddar through the middle instead of at the seam alone.

Rest before cutting

A minute on the board settles the steam so the halves hold together when cut. Straight from the pan, the filling slides.

Dice the ham small

A third of a cup of small dice spreads through the fold. Chunks make the omelet lumpy and prone to tearing.

Serving suggestions

Cut the omelet in half and plate the halves stacked or side by side. It carries itself without sauce. For a fuller plate, add sliced tomato or half an avocado, and the meal rises above its 3 grams of net carbs while staying small in the carb column. The ham and cheddar are salty enough that the shaker may stay in the cupboard. Twelve minutes pan to plate keeps this in weekday territory.

Storage and meal prep

Leftovers keep covered in the refrigerator for 3 to 4 days. Reheat 30 to 45 seconds in the microwave or a few minutes in a covered skillet over low. Skip the freezer; the bell pepper turns watery when it thaws. The omelet is best the minute it leaves the pan, and since the whole thing takes 12 minutes, cooking it fresh costs you almost nothing.

Variations worth trying

Bacon instead of ham Two slices, cooked crisp and chopped, land in the same place the ham did.
Pepper swap Diced tomato, squeezed dry, or sliced mushrooms stand in for the green bell pepper.
Turn up the heat A pinch of red pepper flakes into the saute warms the whole fold.
Milk works A tablespoon of milk replaces the water for a slightly richer egg; heavy cream takes it closer to the French style.

Frequently asked questions

Why an 8-inch skillet?

Three eggs need depth for a folded omelet. In a 10-inch pan they spread thin, and thin omelets tear when you flip them twice.

Can I use milk instead of water?

Yes, a tablespoon of milk works the same. Heavy cream makes a richer, softer omelet, closer to the French style.

How do I keep it from sticking?

Butter a nonstick pan and coat the sides by tilting, then leave the eggs alone until the edges set. Sticking usually means the pan lost its butter film.

Can I add onions?

Yes. Two tablespoons of minced onion sauteed with the ham and pepper softens in the same 2 minutes.

Is it good for meal prep?

It reheats fine for 3 to 4 days, but the texture is best fresh. At 12 minutes, this one is worth cooking the morning you eat it.

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