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Egg Muffin Cups · Ham and Cheese

Ham and Cheese Egg Muffin Cups

Diced ham, Swiss-style cheese and a little mustard in the egg make these taste like a breakfast sandwich without the bread. Kids like the small, tidy size.

New, no ratings yet0 reviewsby Simmerbee Kitchen

Prep
10 min
Cook
20 min
Total
30 min
Serves
12 egg cups
Level
Easy
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Ingredients

  • cooking spray, or butter, for the tin
  • 10 large eggs
  • ¼ cup whole milk
    Swaps for whole milk

    Instead of milk

    • Unsweetened soy milk: The same amount. The closest plant milk for baking: its protein helps things brown and set.
    • Unsweetened oat milk: The same amount. Creamy and mild with a hint of sweetness.
    • Unsweetened almond milk: The same amount. Thinner and less rich, so cakes are a little paler and drier.

    All 5 swaps for milk

    Cooking for an allergy? Check every label.

  • 1 tsp dijon mustard
    Swaps for dijon mustard

    Instead of mustard

    • Another prepared mustard: The same amount. Yellow is milder and more vinegary; Dijon is sharper; whole-grain adds texture; spicy brown is in between.
    • Dry mustard: 1 tsp dry mustard + 1 tsp water + 1 tsp white wine vinegar for each 1 tbsp. Sharper and less smooth.

    More for mustard

  • ¼ tsp kosher salt
    Swaps for kosher salt

    Instead of salt

    • Table salt or fine sea salt: About half as much as Diamond Crystal kosher, about ¾ as much as Morton kosher. The same saltiness when measured this way.
    • Salt by weight: 1 tsp is about 6 grams of table salt, 5 grams of Morton kosher, 3 grams of Diamond Crystal kosher. The most reliable way to swap, especially in baking and brines.

    More for salt

  • ¼ tsp black pepper
  • 6 oz cooked ham, diced (about 1 1/4 cups)
  • 1 cup gruyere, or Swiss cheese, shredded ≈ 108 g
  • 2 tbsp chives, finely chopped (optional)
    Swaps for chives

    Instead of chives

    • Dried chives: 1 tsp dried for each 1 tbsp chopped fresh (a third as much). Freeze-dried chives keep color but little flavor; use them only as a garnish.
    • Green onion tops: The same amount, sliced thin. Stronger and crunchier.

    More for chives

Cooking for a crowd? Pans, timing and salt for 12 to 50.

Missing something? Tap Swaps next to an ingredient, or see all substitutions.

Cook to 160°F inside (check with a thermometer).

Steps

Kid helper. A child can do steps 2, 3, 4 and 5: no knife, no heat. Steps marked “Grown-up” use a knife or heat. Cooking with kids

  1. Heat the oven to 350°F (175°C).
    350°FGrown-up: heat
  2. Spray all 12 cups of a muffin tin generously with cooking spray.
    Kid step
  3. Whisk (how to whisk) Whisk Beat ingredients with a whisk to mix them smoothly or to add air. 1. Use a bowl big enough to whisk without splashing; set it on a damp towel to stop it spinning.2. Hold the whisk loosely and move it in quick circles or side to side, touching the bottom.3. For lumpy mixtures, add liquid a little at a time and whisk after each.4. For sauces on the stove, keep the whisk moving across the whole bottom of the pan. Done when: The mixture is even with no lumps or streaks of egg. How to whisk: mistakes to avoid
    the eggs, milk, mustard, salt and pepper in a large measuring cup until the mustard disappears into the egg.
    Kid step
  4. Divide the ham, cheese and chives, if using, among the muffin cups.
    Kid step
  5. Pour the eggs over the filling until each cup is about three-quarters full.
    Kid step
  6. Bake until puffed and set in the center, with no runny egg. The center of one cup should read 160°F (71°C).
    350°F⏱ Bake: 20 minGrown-up: heat
  7. Cool in the tin for 5 minutes, then loosen the edges with a butter knife and lift them out.
    ⏱ Cool: 5 minGrown-up: knife, heat

Tap an underlined word for how to do it, or see all techniques.

Tips

  • Leftover holiday ham is perfect here. Cooked bacon or breakfast sausage crumbles work too.
  • They puff in the oven and settle as they cool. That's normal.

Storage

Refrigerate up to 4 days, or freeze in a zip bag up to 2 months.

Make ahead

Microwave 2 cups for 45 to 60 seconds (about 90 seconds from frozen) until hot in the middle, 165°F (74°C).

Cook once, eat twice: Double it (12 servings instead of 6), eat half and freeze the other half. It keeps 2 months frozen, by the storage note above. Print a freezer label · More freezer meals

How long leftovers keep, and freezing and reheating: leftovers and storage.

Quick answers

Can I freeze it?

Yes. Refrigerate up to 4 days, or freeze in a zip bag up to 2 months. Microwave 2 cups for 45 to 60 seconds (about 90 seconds from frozen) until hot in the middle, 165°F (74°C).

What can I swap?
  • Instead of milk: Unsweetened soy milk, the same amount.
  • Instead of mustard: Another prepared mustard, the same amount.

Cooked bacon or breakfast sausage crumbles work too.

Cooking for an allergy? Check every label.

Answered from this recipe's own storage, make-ahead and swap notes.

Estimated nutrition per serving

Calories
250
Protein
21 g
Carbohydrates
2 g
Fiber
0 g
Sugars
1 g
Fat
17 g
Saturated fat
6 g
Sodium
560 mg

Whole recipe, 6 servings: about 1,480 calories.

Estimate from USDA FoodData Central; not medical or dietary advice. Based on 7 of 7 ingredients.

How we estimate

We add up USDA FoodData Central values for each measured ingredient as written and divide by the recipe's 6 servings, so changing the servings or units here doesn't change a serving. Brands, swaps, trimming and cooking all change the real numbers.

Not counted: cooking spray (to taste or as needed); chives (optional).

Estimated cost

About $0.80 a serving

About $4.95 for the recipe as written (6 servings).

Estimate; prices vary by store and region. U.S. average prices for September 2026 from BLS Average Price Data and USDA ERS Purchase to Plate prices updated with the BLS Consumer Price Index. Priced: 4 of 7 ingredients, 87% by weight.

How we estimate

Each measured ingredient is weighed as in the nutrition estimate and priced at the U.S. average: BLS's average price where BLS publishes one, else USDA ERS's Purchase to Plate price for 2017-18 raised to September 2026 with the CPI for that food group. Whole packages, store brands, sales and regions all change the real cost: treat it as a ballpark.

  • cooked ham $2.95 ERS
  • eggs $1.90 BLS
  • whole milk $0.05 BLS
  • dijon mustard $0.05 ERS

Not priced (no official average price we can match, so not in the total): kosher salt, black pepper, gruyere.

Not counted: cooking spray, chives (optional, or to taste).

More dishes for less: cheap eats.

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Cleanup score 5/5 (very easy cleanup): 1 thing to wash, muffin tin.

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