Name: Mary Berry Frittata Recipe
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Ingredients: 6 large eggs; 3 tablespoons whole milk; salt and black pepper to season; 1 tablespoon olive oil; 1 medium onion finely sliced; 1 red pepper deseeded and thinly sliced; 100g baby spinach leaves; 150g cooked new potatoes sliced into rounds; 2 garlic cloves finely chopped; 75g mature Cheddar coarsely grated; small handful of fresh flat-leaf parsley roughly chopped

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This Mary Berry frittata is a golden, set egg dish with a firm yet tender interior, flecked with softened vegetables and streaks of melted cheese that pull apart gently with a fork. It is light without being insubstantial, and the surface turns a pale amber-gold in the pan, with just enough colour to give each slice a satisfying finish.

What makes this version reliable is the balance of eggs to filling, which keeps the frittata set through the centre without turning rubbery. It works equally well as a relaxed weekend brunch, a light midweek supper, or a cold addition to a packed lunch. The ingredients are straightforward and easy to adapt around what is already in the kitchen. From start to finish, it is ready in around 30 minutes.

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Ingredients

For the Base

6 large eggs
3 tablespoons whole milk
Salt and black pepper, to season
1 tablespoon olive oil

For the Filling

1 medium onion, finely sliced
1 red pepper, deseeded and thinly sliced
100g baby spinach leaves
150g cooked new potatoes, sliced into rounds
2 garlic cloves, finely chopped

For the Topping

75g mature Cheddar, coarsely grated
Small handful of fresh flat-leaf parsley, roughly chopped

How to Make Mary Berry Frittata

Whisk the eggs:

Crack the eggs into a large jug or bowl, add the milk, and season generously with salt and black pepper. Whisk together until the yolks and whites are fully combined and the mixture is slightly frothy. Whisking in the milk keeps the texture light rather than dense once the frittata sets.

Soften the onion and pepper:

Heat the olive oil in a 24cm ovenproof frying pan over a medium heat. Add the onion and red pepper and cook for 7 to 8 minutes, stirring occasionally, until both are soft and the onion is translucent at the edges. Add the garlic and cook for a further minute.

Add the spinach and potatoes:

Scatter the spinach into the pan and stir gently until it wilts down, which takes about 2 minutes. Add the sliced cooked potatoes and arrange them so they sit evenly across the base of the pan. Spreading the filling evenly at this stage means every slice will have a balanced mix of ingredients.

Preheat the grill:

Set the oven grill to high and allow it to come to full heat before the eggs go in. A fully preheated grill finishes the top of the frittata quickly without overcooking the base in the pan below.

Pour in the egg mixture:

Reduce the hob heat to low. Pour the whisked egg mixture evenly over the vegetables in the pan. Leave to cook undisturbed for 4 to 5 minutes, until the edges are set and pulling away slightly from the sides, but the centre still has a gentle wobble.

Finish under the grill:

Scatter the grated Cheddar evenly across the surface. Transfer the pan to the grill and cook for 3 to 4 minutes, until the cheese has melted and the top is golden with a few lightly bronzed patches. Watch closely as grill temperatures vary, and the cheese can go from golden to overdone quickly.

Rest and serve:

Remove the pan from the grill and leave the frittata to rest for 2 minutes before slicing. Scatter the chopped parsley over the top and cut into wedges directly in the pan. Resting allows the egg proteins to settle, which makes the frittata easier to slice cleanly.

Tips for the Best Mary Berry Frittata

01 Why is my frittata rubbery and tough? +−

A rubbery texture usually comes from cooking the eggs at too high a heat, either on the hob or under the grill. Keep the hob heat on low once the egg goes in, and watch the grill closely. The frittata only needs a few minutes under high heat to colour and set the top.

02 Why is my frittata still runny in the middle after grilling? +−

The most common cause is not allowing the edges to set sufficiently on the hob before transferring to the grill. Give the frittata the full 4 to 5 minutes on the hob over a low heat until the sides are visibly set before the grill step. If the centre is still liquid after grilling, return it to the hob over a very low heat with a lid on for 2 to 3 minutes.

03 How do I stop the frittata from sticking to the pan? +−

Use a good-quality non-stick ovenproof frying pan and make sure the oil is hot before adding the vegetables. If the base sticks when slicing, run a flexible palette knife or spatula gently around the edge and under the frittata before serving. A well-seasoned cast iron pan also works well for this purpose.

04 Why does my frittata look pale and not golden on top? +−

The grill needs to be fully preheated before the pan goes in. A grill that is still warming up will steam the eggs rather than colour them quickly. Allow the grill to run at high for at least 5 minutes before putting the frittata underneath, and position the pan so the top is no more than 10 to 12cm from the heat element.

05 Why does my frittata collapse and lose its height after slicing? +−

Cutting into the frittata too soon after removing it from the grill causes it to lose structure. Allow it to rest in the pan for 2 full minutes before slicing. This short rest gives the egg proteins time to firm up, holding the wedges together neatly on the serving plate.

Serving Suggestions

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Serve warm, cut into generous wedges, alongside a simple green salad dressed with a light white wine vinegar and olive oil dressing.

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Pair with crusty sourdough bread or a few slices of good white bloomer to soak up the soft egg and melted cheese from each slice.

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Cut into smaller squares and serve at room temperature as part of a brunch spread alongside smoked salmon and sliced tomatoes.

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Slice cold and tuck into a packed lunch box with some dressed rocket leaves and a small pot of chutney on the side.

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Serve alongside a bowl of roasted cherry tomatoes cooked with a little olive oil and a pinch of sugar, which adds a bright, slightly sweet contrast to the richness of the egg and cheese.

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Storage

UP TO 1 DAY

Room Temperature

Store leftover frittata in an airtight container at room temperature for no more than one day, away from direct sunlight.

UP TO 3 DAYS

Refrigerator

Wrap the frittata tightly or place slices in an airtight container and refrigerate for up to three days. Bring back to room temperature for around 15 minutes before eating for the best texture, or warm gently in a dry frying pan over a low heat for 2 to 3 minutes.

UP TO 2 MONTHS

Freezing

Slice the cooled frittata into individual portions, wrap each tightly in cling film, and freeze for up to two months. Defrost overnight in the refrigerator and reheat in a dry frying pan over a low heat until warmed through, or eat cold once fully thawed.

Nutrition

Calories

220

kcal per serving

10g

Carbohydrates

14g

Protein

14g

Fat

Saturated Fat

320mg

Sodium

Nutrition values are estimates only and will vary depending on the specific ingredients used, portion sizes, and any additions or substitutions made to the recipe.

FAQs

01 Can I use different vegetables in this frittata? +−

Yes, this recipe is very adaptable. Courgette, mushrooms, cherry tomatoes, and asparagus tips all work well. Just make sure any vegetables with a high water content, such as courgette or tomatoes, are cooked until most of their moisture has evaporated before the egg is added, otherwise the frittata can turn out watery.

02 Can I make this frittata ahead of time? +−

The frittata can be made up to a day in advance and stored in the refrigerator. It holds its shape and slices well when cold. This makes it a practical choice for lunches or a prepare-ahead brunch, where it can be brought back to room temperature or warmed briefly before serving.

03 Can I use a different cheese instead of Cheddar? +−

Gruyère, Parmesan, feta, or a hard goat’s cheese all work well in place of Cheddar. Feta crumbled on top rather than melted gives a saltier, creamier finish. Gruyère melts smoothly and adds a nuttier flavour that pairs particularly well with the potato and spinach filling.

04 Can I make this frittata without an ovenproof pan? +−

If your pan is not suitable for the grill, cook the frittata on the hob over a very low heat with a tight-fitting lid placed on top. The trapped heat will set the top of the egg without needing the grill. It will not develop the same golden colour, but the texture inside will be just as good.

05 Is this Mary Berry frittata suitable for a gluten-free diet? +−

Yes, this frittata is naturally gluten free as written. The recipe contains no flour or wheat-based ingredients. Just check the label on any cheese used, as some processed varieties may contain additives with gluten, though most natural cheeses are free from it.

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Conclusion

This Mary Berry frittata is a dependable, versatile dish that earns a regular place in any home kitchen. With a golden surface, a tender set interior, and a filling of softened vegetables and melted Cheddar, it delivers a satisfying result every time without requiring special equipment or advanced technique. This recipe makes 4 generous portions, ideal for a family supper or a brunch that feeds a small group.

If you try this recipe, leave a comment below to share how it turned out. Any variations or additions you discovered along the way are always worth sharing. For another classic that is equally straightforward and crowd-pleasing, you might also enjoy the Mary Berry Limoncello Trifle recipe, which makes a wonderfully light and elegant dessert to round off the same meal.