Potato focaccia is the Italian bake that makes me forget all about ordinary bread. The airy inside, the crisp surface and the thin potato slices with rosemary and sea salt are a combination that works every time. In the air fryer the focaccia turns out less soggy, crisper on the outside and ready faster than in the oven.
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I often make it for weekend lunch or as a side to a big salad, and the leftovers always disappear before I even get to think about whether to wrap them up. With rosemary, good olive oil and completely ordinary potatoes you can have a homemade Italian bread experience on the table without turning on the oven.
Estimated reading time: 5 minutes
Table of Contents:
Why I love potato focaccia in the air fryer
Focaccia is one of those Italian breads that are hardest to get just right in a regular oven. You need very high heat, and even then the base often turns out too soft. The air fryer solves both problems at once: circulating hot air ensures that both the top and the base take on colour, and the compact cooking means the moisture doesn’t have time to settle into the bread.
The potatoes on top add natural sweetness and a thin, crisp texture that stands beautifully against the soft dough. Rosemary and flaky salt finish it all off with no other ingredients than good olive oil.
The difference between air fryer and oven
In the oven a focaccia typically takes 20-25 minutes at 220 °C, and you risk the top burning before the base is done. In the air fryer I can keep the temperature a little lower at 190 °C, the bread takes on colour all the way round, and I avoid having to preheat for 10 minutes first.
My kitchen test of potato focaccia
I’ve baked my focaccia in the Cosori Dual Blaze at 190 °C for 18-20 minutes. First 12 minutes, where the potato slices get well on their way, and then another 6-8 minutes after decorating with extra rosemary and a little more olive oil. The base turns beautifully golden and the top gets that characteristic crunchy edge that makes focaccia irresistible. When I press lightly on the side, the bread springs back — that’s the sign it’s done.
Use thinly sliced potato — under 2 mm. Thicker slices don’t soften in time and give a raw taste. A mandoline is your best friend here.
Tips and tricks from the author: Morten Jensen
The typical mistakes and how to avoid them
The first mistake I see is people skipping the proving time. Focaccia needs to prove for at least 90 minutes, and the dough should be sticky when it’s poured into the tin — not kneadable. Use a silicone mould or a baking-paper-lined tray that fits the air fryer basket, otherwise the dough spills over the edge.
The second classic mistake is forgetting to press your fingers into the dough before baking. It’s those little dimples that give focaccia its characteristic look and ensure the oil seeps down into the bread. Skip it, and you get an ordinary flatbread without the depth that makes focaccia special.
The third mistake is potato slices that are too thick. They should be under 2 mm, ideally 1-1.5 mm. If you use slices that are too thick, they’ll still be half-raw when the focaccia is done, and you end up with a strange, hard bite in the middle of the soft bread.
How to serve potato focaccia
Serve the focaccia warm straight from the air fryer — that’s when it’s at its very best. Cut it into squares with a pizza cutter to preserve the crisp edge.
- With a large mixed salad of tomato, cucumber and feta
- As a side to a homemade minestrone or tomato soup
- With an Italian antipasti platter of olives, Parma ham and parmesan
- As a base for an open sandwich with tomato, mozzarella and fresh basil
- For weekend brunch together with boiled eggs and avocado
Storage and reheating
Focaccia dries out quickly, so it tastes best the same day. If you have leftovers, wrap them in foil and store them at room temperature for up to 24 hours. Reheat for 3-4 minutes in the air fryer at 160 °C — that brings back the crisp surface. Freeze in portions if you like; thaw overnight and reheat straight from the freezer with an extra 2 minutes.
Once the potato focaccia is baked, you understand why Italians have held on to this classic for centuries. It’s everyday bread with character, and in the air fryer it has become a weekend routine in my home.
FAQ
No — focaccia needs at least 90 minutes of proving to develop its characteristic airy structure. If you skip the proving, you get a dense flatbread instead of an airy focaccia.
Firm potatoes with a relatively low starch content, such as baking potatoes or potatoes for foil-baking. They hold their shape during baking and turn tender without falling apart.
No. As long as the slices are under 2 mm thick, they turn completely tender during baking in the air fryer. Parboiling makes the potatoes too wet and ruins the crisp texture.
Recipe
Potato focaccia in the air fryer
Cooking Guide
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Airfryer size
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Recommended equipment
- 1 Air fryer
- 1 Røreskaal
- 1 Mandolin eller skarp kniv
- 1 Bagepapir (til airfryer)
- 1 Brush
Shopping list
Ingredients
How to make it
Preparation
- Mix 250 g plain flour, 0.5 tsp dried yeast and 1 tsp salt in a large bowl. Add 150 ml lukewarm water and 2 tbsp olive oil, and knead the dough for 5 minutes, until it is smooth and comes away from the side of the bowl.
- Cover the bowl with a tea towel or cling film, and leave the dough to prove at room temperature for 60 minutes, until it has doubled in size.
- Slice 300 g potatoes into very thin slices of 1–2 mm with a mandoline or a sharp knife. Place the slices in cold water for 10 minutes to remove the starch, and pat them thoroughly dry with kitchen paper.
Cooking in the air fryer
- Preheat the air fryer to 180 °C fan.
- Shape the dough on a piece of baking paper that fits the air fryer basket (approx. 20×15 cm). Press a fingertip pattern into the surface, so the focaccia gets its characteristic texture. Leave the dough to prove again for 15 minutes.
- Arrange the potato slices overlapping on the dough in a tight pattern. Brush with 2 tbsp of the 3 tbsp olive oil, and sprinkle with 2 tbsp fresh rosemary, 1 tsp sea salt and 0.5 tsp black pepper.
- Lift the baking paper with the focaccia into the air fryer basket, and bake at 180 °C for 18–20 minutes, until the focaccia is golden and the potatoes are crisp at the edges. Check halfway through, and lower the temperature to 170 °C for the last few minutes if the potatoes are colouring too quickly.
Serving
- Carefully take out the focaccia, and brush with the last tablespoon of olive oil while it is still warm. Leave to rest for 5 minutes, cut into squares, and serve immediately.
Our notes for the recipe
Slice the potatoes as thinly as possible — ideally with a mandoline. This ensures they turn crisp in the same time it takes the focaccia to bake. Leaving the slices to soak in cold water stops them sticking together and browning unevenly. Variation:
Add grated parmesan, toasted pine nuts or caramelised onions for extra flavour. You can also swap the rosemary for fresh thyme or sage for a different herb profile. Serving:
Serve as a side dish with soup, salad or grilled meat. It also makes a lovely light lunch with a good olive oil and a little balsamic for dipping. Portion size:
If your air fryer is small, divide the dough in two and bake the focaccia in two batches.
Your notes for the recipe
Nutrition per serving (Guideline)
Important about shelf life and nutrition
Nutrition per serving (guideline): Calculations are based on data from the United States Department of Agriculture (USDA). Shelf life (guideline): Shelf life data is provided, as far as possible, by public institutions, including national food authorities. Our information is therefore only indicative, and it is your responsibility to obtain and calculate accurate information about shelf life and nutrition for all recipes on airfryerkogebogen.dk
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