Vegetable quiche
This vegetarian quiche uses zucchini, sweetly sautéed onion and spinach, bound with cheddar in a soft, silky egg custard. A crisp, buttery crust holds the generous vegetable filling, making a light meal that still keeps you full for hours.
- Difficulty
- Medium
- Prep
- 45 min
- Cook
- 1 hr 5 min
- Rising or chilling
- 1 hr 30 min
- Total time
- 3 hr 20 min
- Method
- Oven-baked

Ingredients
Butter crust
Sautéed vegetables
Cheesy egg custard
Instructions
Step 1
Put 200 g all-purpose flour and 3 g salt in a bowl, add 110 g cold unsalted butter and cut it in with a pastry blender, then pour in 50 g beaten egg with 15 g cold water and knead a few times. The egg makes the dough supple, easy to roll and sturdier for holding a filling packed with vegetables. The dough is ready when it gathers into a smooth ball without sticking to your hands.
Step 2
Press the dough into a flat disk, wrap it in plastic wrap and refrigerate for at least sixty minutes. Rested dough will not shrink back once it goes into the oven. It is ready when firm yet still rollable without cracking.
Step 3
Dust the surface with a little flour, roll the dough from the center outward into an even circle, drape it over the rolling pin and lower it into a 23 cm pan. Use a small ball of dough to press it into the bottom corners without poking holes. The shell is ready when it covers the pan completely and the edge is trimmed neatly level with the rim.
Step 4
Prick the bottom of the shell with a fork and put the pan in the freezer for about fifteen minutes. Deep chilling helps the shell keep a crisp shape when it meets the oven's heat. The shell is ready when it is completely hard and sounds solid when tapped.
Step 5
Heat the oven to 190°C with a rack in the middle so the shell gets even heat from above and below. A properly hot oven makes the butter in the crust release steam and puff up crisp. The oven is ready once it has held a steady temperature for at least ten minutes.
Step 6
Line the shell with foil or parchment paper, fill it with raw rice as a weight and bake at 190°C for about 15 to 18 minutes. The weight keeps the bottom from puffing up and stops the sides from slumping. The shell is ready when the edge turns from cream to light golden.
Step 7
Lift out the weights and return the shell to the oven for another 5 to 8 minutes at the same temperature. A dry, fully baked base can take the juicy vegetables without turning soggy. The shell is ready when the bottom is evenly golden and smells of toasted butter; then lower the oven to 170°C.
Step 8
Heat 15 g olive oil over medium heat, sauté 150 g thinly sliced onion until soft and translucent, then add 200 g diced zucchini and 2 g salt and stir until most of the vegetable juices have cooked off. Well-drained vegetables will not leak water and thin the filling as it bakes. They are ready when the onion turns pale golden and the bottom of the pan is dry.
Step 9
Add 120 g spinach to the pan and stir for about a minute until just wilted, then tip it into a sieve, press gently to drain and let it cool. Spinach holds a lot of water, so you need to squeeze some out before it goes into the filling. It is ready when it has collapsed, turned deep green and no longer drips.
Step 10
Whisk 200 g eggs with 200 g heavy cream, 120 g whole milk, a pinch ground black pepper and a pinch ground nutmeg, then stir in 100 g grated cheddar. Cheese spread evenly through the custard makes the filling rich with a natural savory tang. The mixture is ready when it is smooth and the shreds of cheese are evenly suspended.
Step 11
Spread the cooled vegetables evenly in the shell, pour the cheesy custard over them and bake at 170°C for 35 to 40 minutes. A moderate heat lets the filling set evenly instead of puffing up and collapsing. The quiche is done when the top is golden brown and slightly puffed and a skewer inserted in the center comes out with no runny custard.
Step 12
Let the quiche rest on a rack for about fifteen minutes before removing the pan ring and cutting it into wedges. The vegetable filling needs time to firm up so it holds its shape when sliced. It is ready when it is still warm, the slices stand upright and no liquid pools underneath.
Equipment
- Oven
- Tart pan
- Rolling pin
- Nonstick skillet
- Whisk
- Mixing bowl
- Kitchen scale
- Parchment paper
- Plastic wrap
- Refrigerator
Tips
- You can swap the zucchini for bell peppers, broccoli or fresh mushrooms, as long as you sauté them until dry first.
- Gruyère or feta both go well here if you want a change from cheddar.
- Squeezing the spinach thoroughly is the single most important step for keeping the crust from getting wet.
Storage
Let the quiche cool, then cover it and keep it in the fridge for up to three days. You can freeze individual slices for up to a month and reheat them at 170°C for about twenty minutes until hot all the way through.
Common problems and how to fix them
- A layer of water collects at the bottom after slicing.
- The vegetables were not cooked dry enough or squeezed well. Next time, sauté them until the pan is dry and press the spinach through a sieve.
- The top scorches while the center is still runny.
- The top heat is too strong. Lay a loose sheet of foil over the quiche for the last ten minutes and move the rack down one level.
This recipe is based on the common ratios for this bake and is written entirely in our own words.



