Delicious Cheesy Leek and Potato Bake - easy to make with thinly sliced potatoes, sweet leeks and a delicious golden cheesy topping, perfect as a comforting side dish or simple main meal.

Who doesn't love a dish with potatoes and cheese? You won't ever see me raising my hand to that question. Cheesy potato anything is just like the perfect combo. You could literally put it on the menu every single day and I don't think I would ever complain. Add some leeks to the mix and well, that's heaven right there. Cheesy yummy Leek and Potato Bake - oh my!!
Calories in Cheesy Leek and Potato Bake
This recipe serves 3 and is 370 calories per serving.
If you're looking for more recipes by calories, you'll find plenty of options grouped by calorie range here: Slimming Eats Low Calorie Recipes
If you're following a calorie-controlled diet or a healthy eating plan, it's important to calculate your daily calorie needs using a reliable calorie calculator. The calorie counts provided are estimates and can vary depending on the exact ingredients and portion sizes you use. Using your own calculations helps ensure you're meeting your individual needs. A calorie calculator can help you make informed choices and stay on track with your goals.
See the recipe card for full nutritional estimation.

Ingredients Notes
To make this recipe you will need the following ingredients:
- Leeks: Add a lovely mild sweet onion flavour that works perfectly baked with the potatoes and cheese. Make sure to wash them well after slicing as dirt can hide between the layers.
- Potatoes: Thinly sliced potatoes become soft and creamy as they bake while soaking up all the delicious flavours.
- Chicken or Vegetable Stock: Adds flavour and helps keep the potatoes tender while baking.
- Garlic: Fresh garlic adds extra savoury flavour throughout the dish.
- Parmesan Cheese: Adds a rich salty flavour and helps create a delicious golden topping.
- Mozzarella Cheese: Melts beautifully and adds that lovely cheesy stretch and creaminess.
- Cooking Oil Spray: Used to help soften the leeks and prevent sticking without needing lots of oil.
- Salt and Black Pepper: Important for seasoning and bringing out all the flavours in the dish.
- Fresh Parsley: Adds freshness and a lovely finishing touch before serving.
Once you've gathered all the ingredients and prepared them accordingly, you're all set to create this easy and delightful recipe.
See the recipe card for specific quantities and instructions.
Variations and Substitutes
This potato and leek bake is really easy to adapt depending on what ingredients you have on hand or what flavours you enjoy most.
- Sweet potato can be used for part of the potatoes for a slightly sweeter flavour.
- Gruyère, cheddar or gouda all work really well instead of mozzarella.
- Add cooked bacon or ham for extra flavour and protein.
- Mushrooms or spinach make great additions for extra vegetables.
- Fresh thyme or rosemary pair really well with the leeks and potatoes.
- A little chilli flakes or black pepper adds extra warmth.
- Cream cheese or a splash of light cream can be added for a richer creamier bake.
- Swap the parmesan for vegetarian hard cheese if needed.
- Vegetable stock keeps the dish vegetarian, but chicken stock adds extra depth of flavour.
- Thinly sliced zucchini layered through the bake works really well too.
- Add a sprinkle of breadcrumbs on top before baking for extra crunch.

Tips for the Best Potato and Leek Bake
- Slice the potatoes as thinly and evenly as possible so they cook through properly while baking. A mandoline is really helpful for this if you have one.
- If your potato slices are a little thicker, you may need to parboil them for a few minutes first to ensure they become soft and tender in the oven.
- Grating your own cheese rather than using pre-grated cheese helps give a smoother melt and better golden topping.
- Let the bake rest for a few minutes before serving so it holds together better when spooned onto plates.
What To Serve This With
Here are some recipes I like to serve with this dish:
Storing, Freezing and Reheating
Storing
Allow the potato and leek bake to cool before covering or transferring to an airtight container and storing in the fridge for up to 3 days.
Freezing
This bake can be frozen, although the texture of the potatoes may soften slightly once defrosted and reheated. Allow to cool completely before transferring to freezer safe containers and freeze for up to 3 months. Defrost overnight in the fridge before reheating.
Reheating
Reheat in the oven, covered loosely with foil, until heated through and piping hot in the centre. Individual portions can also be reheated in the microwave until hot throughout.

More Potato Recipes
Got a big bag of potatoes and wondering what else to make? Check out these
See more Potato Recipes →
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Angela H says
IN THE OVEN! I didn't have any mozzarella. I was generous with the Romano and Parmesan sooooo... fingers crossed!
Jonesy says
I do not like Parmesan cheese I find it too strong. Is there anything I can replace it with? Thanks
Shevy (Slimming Eats) says
You can use cheddar instead if you prefer. 🙂
Natalie says
What would you suggest serving with this? Thanks
Shevy (Slimming Eats) says
Hi Natalie, I usually serve it as a side with a protein-based dish - a chicken based dish would be perfect. http://www.slimmingeats.com/blog/category/recipes/by-ingredient/poultry
karen says
would this freeze.?
Shevy (Slimming Eats) says
Hi Karen, yes this will freeze fine.
Allison says
Hi, could you use Creme fraiche in this?
Siobhan (Slimming Eats) says
I am sure you can, I haven't personally tested, just ensure you count the syns as creme fraiche is not free.
Eve H says
I made this this evening with vegan parmesan and vegan feta in place of mozarella. It is the first potato and leek bake that I have made that was perfect - thank you so much for this recipe it's now going to be a weekly family favourite 🙂
Pamela Graham says
Perfect with our Monday dinner of cold roast chicken. Thank you
Jane Rawlinson says
I made this yesterday and we loved it! I was running short on time so I microwaved on high before I topped it with cheese. I then added the cheese and finished it off in the oven. I will definitely make this again and may try adding the cream cheese too.
Patricia says
Made this yesterday amazing thank you
Mary Carmen Bonnici says
It was delicious, but I made some changes due to lack of ingredients. Used both sweet potatoes and normal potatoes, used onions with leeks and beaten egg cheese and milk on top. My sons are both chefs and they liked it.
Siobhan (Slimming Eats) says
sounds delicious, thank you for sharing your variation and so happy to hear that your sons (who are chefs) also approved.
Bev says
Made this tonight 14/10/2021 and it was absolutely gorgeous I did make sure I seasoned it well with the black pepper and sea salt and i added extra garlic will definitely make again.
June says
I have made this versatile recipe several times. It’s great with roast, warms up well for cold cuts and is so tasty cold with salad. A firm favourite with us. Thanks.
Patrricia says
Simply the best!! Thank you x