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You are here: Home / 30 Minutes or Less / 3 Ingredient Potato and Onion Frittata

30 Minutes or Less, All Recipes, Breakfast and Brunch, One Pot Meals, Vegetarian · May 6, 2026

3 Ingredient Potato and Onion Frittata

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This 3 ingredient potato and onion frittata is cheap, filling, and made with simple everyday ingredients. It’s an easy one pan meal that works for breakfast, lunch, or dinner, and is perfect for using up what you already have at home.

Slice of golden potato frittata on a ceramic plate with fresh rocket leaves, served on a rustic white timber table with the rest of the frittata in the background

What is potato and onion frittata

This potato and onion frittata is a simple one pan egg dish made with sliced potatoes, onion, and eggs. It’s cooked on the stove, then finished until the eggs are just set, creating a soft centre with a lightly golden top.

It’s a budget friendly meal that uses basic ingredients to make something filling and satisfying.

Why you’ll love this potato and onion frittata

  • Uses only 3 basic ingredients
  • Cheap and filling
  • One pan, minimal cleanup
  • Works for any meal of the day
  • Easy to customise with what you have

Ingredients needed

  1. Potatoes – The base of the dish. Use any type, thinly sliced so they cook evenly.
  2. Onion – Adds flavour and sweetness as it cooks.
  3. Eggs – Holds everything together and makes it filling.

You will also need:

  1. Oil – for cooking
  2. Salt + Pepper – to season

    TIP: For an extra flavour hit, sprinkle a little cheese or parmesan on top if you have some.

How to make potato and onion frittata

  1. Heat a little oil in a non stick pan over medium heat. Add the sliced potatoes and cook for 8 to 10 minutes, stirring occasionally, until they start to soften.
  2. Add the onion and cook for another 5 minutes until soft and lightly golden. Make sure the potatoes are tender before moving to the next step.
  3. In a bowl, whisk the eggs with a pinch of salt. Pour over the potato and onion mixture, making sure everything is evenly spread in the pan.
  4. Cook on low heat for 8 to 10 minutes until the edges are set but the centre is still slightly soft.
  5. Finish by placing under a grill until the top is set and lightly golden, or carefully flip and cook the other side in the pan.
  6. Slice and serve warm.

Tips

  • Red or baby potatoes are a good choice as they hold their shape when cooked. Although any potato will work.
  • Slice the potatoes thin. This helps them cook through faster and evenly. I used a mandolin to make this easy and consistent throughout.
  • Use a non-stick pan. It makes flipping or serving much easier. I used a 24cm fry pan.
  • Keep the heat moderate. Too high and the potatoes will brown before they soften.
  • Don’t rush the potatoes. Make sure they are tender before adding the eggs.
  • Loosen the edges before finishing. This helps prevent sticking when slicing.
  • Let it rest for a few minutes before cutting. It will hold together better.

Serving suggestions

Serve warm or at room temperature with a simple side salad or steamed vegetables. It also works well with toast if you want to make it more filling. Add a handful of fresh herbs like parsley, chives or dill, or a small handful of rocket on top for a fresh finish. A spoon of chutney or relish on the side also works well if you have it.

Variations

  • Add grated cheese or parmesan for extra flavour and richness
  • Stir through a small amount of leftover cooked vegetables
  • Roasted red capsicum strips add colour and extra flavour
  • Add chopped spinach or herbs for freshness
  • Serve with baked beans or a simple salad on the side

Storage

FRIDGE
Store in an airtight container for up to 3 days.

REHEAT
Reheat in a pan over low heat or in the microwave until warmed through.

FREEZER
Freeze in slices for up to 1 month. Thaw in the fridge, then reheat.

Cheap, simple, and easy to make any time of day. If you try this, leave a comment and tell me what you added to make it your own.

More budget meals

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  • 5 Ingredient Chickpea Curry
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  • Budget French Onion Chicken + Rice
Slice of golden potato frittata on a ceramic plate with fresh rocket leaves, served on a rustic white timber table with the rest of the frittata in the background

3 Ingredient Potato and Onion Frittata

A cheap, filling frittata made with simple ingredients. Perfect for any meal and easy to make in one pan.
Print Recipe Pin Recipe
Prep Time:10 minutes mins
Cook Time:20 minutes mins
Total Time:30 minutes mins
Course: Brunch, Dinner, Lunch
Cuisine: Western
Keyword: budget egg recipe, cheap meal, easy frittata, potato frittata
Servings: 2 to 3
Author: Kate Brodhurst

Ingredients

  • 3 medium potatoes, thinly sliced
  • 1 onion, thinly sliced
  • 6 eggs
  • Oil, for cooking
  • Salt and pepper, to taste

Instructions

  • Heat 2 tablespoons of oil in a 24cm non-stick pan over medium heat. Add the sliced potatoes and cook for 8 to 10 minutes, stirring often, until they start to soften. Keep the heat moderate so they don’t burn.
  • Add the sliced onion and continue cooking for another 5 minutes, stirring often, until the onion is soft and lightly golden. Check the potatoes are tender by piercing with a knife. If not, cook a few minutes longer.
  • In a bowl, whisk the eggs with a good pinch of salt until well combined. Pour the eggs evenly over the potato and onion mixture, tilting the pan slightly so it spreads into all the gaps. Season the top well with pepper.
  • Reduce the heat to low and cook for 8 to 10 minutes until the edges are set and the centre is just slightly soft. Run a spatula around the edges to loosen it from the pan.
  • Place the pan under a preheated grill and cook until the top is set and lightly golden. Alternatively, place a plate over the pan, carefully flip the frittata out, then slide it back into the pan to cook the other side.
  • Remove from the heat and let it rest for a few minutes before slicing. This helps it firm up and hold its shape. Cut into wedges to serve. Garnish with extra sea salt before serving.

Notes

  1. MEASUREMENTS: We use Australian tablespoons and cups: 1 teaspoon = 5 ml, 1 tablespoon = 20 ml & 1 cup =  250 ml.
  2. SLICE EVENLY: Thin, even slices help the potatoes cook at the same rate and stop some pieces going soft while others stay firm. I used a mandolin to get even and consistent slices.
  3. USE WHAT YOU HAVE ON HAND: This is perfect for using up small amounts of veg in the fridge like zucchini, mushrooms, or spinach. Cook them off first so they don’t add extra moisture.
  4. ADD ROASTED CAPSICUM: Stir through sliced roasted red capsicum for extra flavour and a bit of sweetness. Jarred works well and keeps it budget friendly.
  5. FINISH WITH SOMETHING FRESH: A handful of rocket, baby spinach or some fresh herbs on top adds contrast and lifts the dish.Use what you may already have. Dill is a favourite with this frittata.
  6. ADD CHEESE: Sprinkle a little grated cheese or parmesan into the eggs or on top before finishing for extra flavour and a slightly golden top.

Posted In: 30 Minutes or Less, All Recipes, Breakfast and Brunch, One Pot Meals, Vegetarian

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