Golden Crustless Vegetable Quiche with Spinach, Mushrooms, Feta & Roasted Capsicum
Golden Crustless Vegetable Quiche with Spinach, Mushrooms, Feta & Roasted Capsicum is a savoury, tender baked egg dish packed with earthy mushrooms, fresh spinach, sweet roasted capsicum, creamy feta, and melted mozzarella. Without a pastry crust, the vegetables and cheeses take centre stage while the egg mixture bakes into a beautifully golden, satisfying quiche.
It’s simple enough for a weekday breakfast but elegant enough for a weekend brunch or family gathering. Honestly, the combination of caramelised mushrooms, roasted capsicum, feta, and fresh herbs makes every slice full of flavour.
Ingredients
For the Quiche
- 8 large eggs
- 1/2 cup (120 ml) milk
- 1/2 cup (120 ml) heavy cream
- 1 cup (100 g) crumbled feta cheese
- 1 cup (100 g) shredded mozzarella cheese
- 5 oz (140 g) fresh baby spinach
- 8 oz (225 g) mushrooms, sliced
- 1 large roasted red capsicum (about 150 g), sliced
- 1/2 small yellow onion, finely diced
- 2 garlic cloves, minced
- 1 tbsp olive oil
- 1/2 tsp dried oregano
- 1/2 tsp dried thyme
- 1/2 tsp salt
- 1/4 tsp black pepper
- 1/4 tsp red pepper flakes, optional
For Garnishing
- 2 tbsp crumbled feta
- 1 tbsp fresh parsley, chopped
- 1 tsp fresh thyme leaves
- 1 tbsp roasted capsicum, finely sliced
How to Make It
1. Preheat the Oven
Preheat your oven to 375°F (190°C). Lightly grease a 9-inch (23 cm) pie dish or round baking dish with olive oil to prevent the quiche from sticking.
2. Cook the Mushrooms
Heat the olive oil in a large skillet over medium-high heat. Add the sliced mushrooms and cook for 5–7 minutes, stirring occasionally, until they are golden and most of their moisture has evaporated.
3. Add the Onion and Garlic
Add the diced onion to the skillet and cook for 2–3 minutes, until softened. Stir in the minced garlic, dried oregano, dried thyme, salt, black pepper, and optional red pepper flakes. Cook for another 30 seconds, until fragrant.
4. Wilt the Spinach
Add the fresh spinach to the skillet and cook for 1–2 minutes, stirring frequently until the leaves are wilted. Remove the skillet from the heat and let the vegetables cool for a few minutes.
5. Prepare the Egg Mixture
In a large bowl, whisk together the eggs, milk, and heavy cream until smooth. Stir in half of the crumbled feta and all of the shredded mozzarella until evenly combined.
6. Add the Vegetables
Fold the sautéed mushroom and spinach mixture into the egg mixture. Add the sliced roasted capsicum and gently stir until the vegetables are evenly distributed throughout the mixture.
7. Fill the Baking Dish
Pour the mixture into the prepared pie dish. Gently spread the vegetables into an even layer if necessary, then sprinkle the remaining feta over the top.
8. Bake
Bake uncovered for 35–45 minutes, until the centre is set, the edges are lightly golden, and the top is puffed and golden.
9. Check for Doneness
Insert a thin knife into the centre of the quiche. It should come out mostly clean without any runny egg mixture. Avoid overbaking so the finished quiche stays tender and creamy.
10. Rest
Remove the quiche from the oven and let it rest for 10 minutes before slicing. The residual heat will allow the centre to finish setting while keeping the texture tender.
11. Garnish
Sprinkle the top with fresh parsley, thyme leaves, a little extra crumbled feta, and a few thin strips of roasted capsicum for a colourful finish.
12. Serve
Slice the quiche into wedges and serve warm or at room temperature. It makes a delicious breakfast, brunch, lunch, or light dinner.
Why This Recipe Works
This crustless vegetable quiche is all about texture and balance. The mushrooms are cooked until golden to concentrate their savoury flavour, while spinach adds colour and freshness.
Sweet roasted capsicum brings a gentle sweetness that pairs beautifully with salty feta and creamy mozzarella. The combination of eggs, milk, and cream creates a tender base that holds all the vegetables together without needing a pastry crust.
Fresh parsley and thyme add a final layer of freshness, while the lightly golden cheese on top gives every slice an appetising finish.
Tips for the Best Crustless Vegetable Quiche
- Cook the mushrooms well: Let most of their moisture evaporate before adding them to the egg mixture to help prevent a watery quiche.
- Don’t overcook the spinach: Cook it only until wilted, then remove the vegetables from the heat.
- Cool the vegetables slightly: Allowing the sautéed mixture to cool for a few minutes helps prevent it from affecting the egg mixture too much.
- Don’t overbake: Remove the quiche once the centre is set to keep the texture soft and tender.
- Let it rest: A 10-minute rest makes the quiche easier to slice and allows the centre to finish setting.
- Use a well-greased dish: A light coating of olive oil makes serving and cleanup easier.
Serving Suggestions
Serve this quiche with a simple green salad, sliced tomatoes, roasted vegetables, or fresh fruit for a balanced meal. It also pairs nicely with toasted bread or a light cucumber salad.
For brunch, arrange the quiche on a serving platter with fresh herbs and roasted capsicum strips. It can be served warm or at room temperature, making it convenient for gatherings and family meals.

Frequently Asked Questions
Can I make this crustless quiche ahead of time?
Yes. The quiche can be prepared ahead and refrigerated once cooled. Reheat gently in the oven until warmed through, or enjoy individual slices at room temperature.
Why is my crustless quiche watery?
Excess moisture from vegetables is one of the most common causes. Cook the mushrooms until most of their moisture has evaporated and avoid adding vegetables that are overly wet.
Can I use frozen spinach?
Yes. Thaw the spinach completely and squeeze out as much excess liquid as possible before adding it to the mixture.
Can I substitute another cheese for feta?
Yes. Goat cheese, ricotta, or a mild crumbly cheese can be used instead of feta. Each will give the quiche a slightly different flavour and texture.
Can I add other vegetables?
Absolutely. Zucchini, broccoli, asparagus, cherry tomatoes, or roasted onions can work well. Cook vegetables with a high water content first so they do not add excess moisture to the quiche.
How should I store leftovers?
Allow the quiche to cool, then cover and refrigerate it. Reheat individual slices gently until warmed through, or serve them chilled or at room temperature if preferred.
Nutrition & Timing
| Details | Amount |
|---|---|
| Prep Time | 20 minutes |
| Cook Time | 45 minutes |
| Total Time | 1 hour 5 minutes |
| Servings | 6 |
| Calories | Approx. 315 per serving |
| Protein | Approx. 18g per serving |
Final Thoughts
Golden Crustless Vegetable Quiche with Spinach, Mushrooms, Feta & Roasted Capsicum is a colourful and comforting dish that’s easy to prepare and packed with savoury flavour. The tender egg base, golden mushrooms, wilted spinach, sweet roasted capsicum, and creamy cheeses create a satisfying combination in every slice.
With no pastry to prepare, this quiche is wonderfully straightforward while still feeling special enough for brunch or entertaining. Serve it warm with a fresh salad or enjoy it at room temperature for an easy meal any time of day.
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Golden Crustless Vegetable Quiche with Spinach, Mushrooms, Feta & Roasted Capsicum
- Total Time: 1 hour 5 minutes
Description
A savoury, tender crustless quiche packed with golden mushrooms, fresh spinach, sweet roasted capsicum, feta, and melted mozzarella. Easy enough for breakfast or lunch and elegant enough for brunch and family gatherings.
Ingredients
For the Quiche
8 large eggs
1/2 cup (120 ml) milk
1/2 cup (120 ml) heavy cream
1 cup (100 g) crumbled feta cheese
1 cup (100 g) shredded mozzarella cheese
5 oz (140 g) fresh baby spinach
8 oz (225 g) mushrooms, sliced
1 large roasted red capsicum (about 150 g), sliced
1/2 small yellow onion, finely diced
2 garlic cloves, minced
1 tbsp olive oil
1/2 tsp dried oregano
1/2 tsp dried thyme
1/2 tsp salt
1/4 tsp black pepper
1/4 tsp red pepper flakes, optional
For Garnishing
2 tbsp crumbled feta
1 tbsp fresh parsley, chopped
1 tsp fresh thyme leaves
1 tbsp roasted capsicum, finely sliced
Instructions
1. Preheat the oven to 375°F (190°C). Lightly grease a 9-inch (23 cm) pie dish or round baking dish with olive oil.
2. Heat the olive oil in a large skillet over medium-high heat. Add the sliced mushrooms and cook for 5–7 minutes, stirring occasionally, until golden and most of their moisture has evaporated.
3. Add the diced onion and cook for 2–3 minutes until softened. Stir in the minced garlic, dried oregano, dried thyme, salt, black pepper, and optional red pepper flakes. Cook for another 30 seconds until fragrant.
4. Add the fresh spinach and cook for 1–2 minutes, stirring frequently, until wilted. Remove from the heat and let the vegetables cool for a few minutes.
5. In a large bowl, whisk together the eggs, milk, and heavy cream until smooth. Stir in half of the crumbled feta and all of the shredded mozzarella.
6. Fold the sautéed mushroom and spinach mixture into the egg mixture. Add the sliced roasted capsicum and gently stir until the vegetables are evenly distributed.
7. Pour the mixture into the prepared pie dish. Spread the vegetables into an even layer if necessary, then sprinkle the remaining feta over the top.
8. Bake uncovered for 35–45 minutes, until the centre is set, the edges are lightly golden, and the top is puffed and golden.
9. Insert a thin knife into the centre to check for doneness. It should come out mostly clean without any runny egg mixture. Avoid overbaking so the quiche stays tender and creamy.
10. Remove the quiche from the oven and let it rest for 10 minutes before slicing.
11. Garnish with fresh parsley, thyme leaves, extra crumbled feta, and thin strips of roasted capsicum.
12. Slice into wedges and serve warm or at room temperature for breakfast, brunch, lunch, or a light dinner.
Notes
Cook the mushrooms until most of their moisture has evaporated to help prevent a watery quiche. Cook the spinach only until wilted, then remove the vegetables from the heat. Allow the sautéed vegetables to cool for a few minutes before combining them with the egg mixture. Do not overbake the quiche. Remove it once the centre is set to keep the texture soft and tender. Let the quiche rest for 10 minutes before slicing so the centre can finish setting. Use a well-greased baking dish to make serving and cleanup easier. Frozen spinach can be used. Thaw it completely and squeeze out as much excess liquid as possible before adding. Goat cheese, ricotta, or another mild crumbly cheese can be substituted for feta. Zucchini, broccoli, asparagus, cherry tomatoes, or roasted onions can be added. Cook vegetables with high water content first. Serve with a simple green salad, sliced tomatoes, roasted vegetables, fresh fruit, toasted bread, or cucumber salad. The quiche can be prepared ahead, cooled, covered, and refrigerated. Reheat individual slices gently or serve chilled or at room temperature.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: Mediterranean
