Mary Berry Vegetable Lasagne is a comforting family favorite made with layers of tender vegetables, rich tomato sauce, creamy cheese sauce, and soft lasagne sheets. Every bite is packed with flavor, featuring a delicious combination of roasted vegetables and golden melted cheese. This recipe is straightforward enough for beginners while delivering impressive results that feel special. The total time is around 1 hour 45 minutes, including preparation and baking.
Ingredients
For the Vegetable Tomato Sauce
- 2 tablespoons olive oil
- 1 large onion, finely diced
- 2 garlic cloves, crushed
- 1 courgette, diced
- 1 red pepper, diced
- 250g mushrooms, sliced
- 400g can chopped tomatoes
- 2 tablespoons tomato purée
- 1 teaspoon dried oregano
- ½ teaspoon salt
- ¼ teaspoon black pepper
For the Cheese Sauce
- 50g butter
- 50g plain flour
- 600ml whole milk
- 100g cheddar cheese, grated
For Assembly
- 9 lasagne sheets
- 50g Parmesan cheese, grated
- Butter for greasing the baking dish
How to Make Mary Berry Vegetable Lasagne Recipe
- Prepare the oven: Preheat the oven to 200°C or 180°C fan. Grease a large baking dish and place a shelf in the center of the oven.
- Cook the vegetables: Heat the olive oil in a large pan. Add the onion and garlic and cook for 3 to 4 minutes until softened.
- Add the vegetables: Stir in the courgette, red pepper, and mushrooms. Cook for 8 to 10 minutes until the vegetables soften and release moisture.
- Make the tomato sauce: Add chopped tomatoes, tomato purée, oregano, salt, and black pepper. Simmer gently for 20 minutes until thick and rich.
- Prepare the cheese sauce: Melt the butter in a saucepan. Stir in the flour and cook for 1 minute. Gradually whisk in the milk until smooth and thickened.
- Add cheese: Remove from the heat and stir in half of the grated cheddar until melted and smooth.
- Assemble the lasagne: Spread a little vegetable sauce over the base of the dish. Add a layer of lasagne sheets, followed by vegetable sauce and cheese sauce. Repeat the layers until all ingredients are used.
- Add the topping: Finish with the remaining cheese sauce and sprinkle over the remaining cheddar and Parmesan cheese.
- Bake: Bake for 40 to 45 minutes until bubbling and golden brown on top.
- Cool and serve: Leave the lasagne to rest for 10 minutes before slicing and serving.

Tips for the Best Vegetable Lasagne
How do I stop vegetable lasagne from becoming watery?
Cook the vegetables thoroughly before adding tomatoes. Simmer the sauce until most excess moisture has evaporated.
Can I prepare the lasagne ahead of time?
Yes. Assemble the dish up to 24 hours in advance and keep it refrigerated until ready to bake.
How do I get a golden cheesy topping?
Use a combination of cheddar and Parmesan cheese. The Parmesan helps create a beautifully browned crust.
Why should I let lasagne rest before serving?
Resting for 10 minutes helps the layers set, making it easier to cut neat portions.
Serving Suggestions
- Serve with garlic bread.
- Pair with a crisp green salad.
- Enjoy with roasted vegetables.
- Add a side of steamed broccoli.
- Serve with fresh basil leaves.
Storage
Room Temperature
Leave the lasagne at room temperature for no more than 2 hours before refrigerating.
Refrigerator
Store in an airtight container for up to 4 days. Reheat thoroughly before serving.
Freezing
Freeze portions in freezer-safe containers for up to 3 months. Thaw overnight in the refrigerator before reheating.
Nutrition
- Calories: 420 kcal
- Carbohydrates: 38g
- Protein: 18g
- Fat: 22g
- Saturated Fat: 10g
- Sodium: 610mg
Nutritional values are estimates and may vary depending on ingredients used.
FAQs
Can I freeze vegetable lasagne after baking?
Yes, allow it to cool completely, wrap well, and freeze for up to 3 months.
Can I add other vegetables?
Yes, spinach, aubergine, carrots, and butternut squash work very well in this recipe.
Do I need to cook lasagne sheets first?
No, standard dried lasagne sheets cook perfectly in the sauce during baking.
How do I know when the lasagne is fully cooked?
The top should be golden, the sauce bubbling, and a knife should pass easily through the layers.
Mary Berry Vegetable Lasagne Recipe
Course: Main CourseCuisine: British, ItalianDifficulty: Easy8
servings35
minutes1
hour10
minutes105
minutes420
kcal1
hour45
minutesA hearty vegetable lasagne layered with roasted vegetables, rich tomato sauce, creamy cheese sauce, lasagne sheets, and a golden cheese topping.
Ingredients
2 tbsp olive oil
1 large onion, diced
2 garlic cloves, crushed
1 courgette, diced
1 red pepper, diced
250g mushrooms, sliced
400g chopped tomatoes
2 tbsp tomato purée
1 tsp dried oregano
Salt and black pepper
50g butter
50g plain flour
600ml milk
100g cheddar cheese, grated
50g Parmesan cheese, grated
9 lasagne sheets
Butter for greasing
Fresh basil for serving
Directions
- Preheat the oven to 200°C (180°C fan). Grease a large ovenproof dish.
- Cook onion and garlic in olive oil until softened.
- Add courgette, pepper and mushrooms. Cook for 8 to 10 minutes.
- Stir in tomatoes, tomato purée, oregano, salt and pepper. Simmer for 20 minutes.
- Melt butter in a saucepan. Stir in flour and cook for 1 minute.
- Gradually whisk in milk and cook until thickened.
- Add half the cheddar and stir until melted.
- Layer tomato sauce, lasagne sheets and cheese sauce. Repeat until used up.
- Top with remaining cheeses and bake for 40 to 45 minutes until golden.
- Rest for 10 minutes before serving.
Notes
- Allow the lasagne to rest before slicing for cleaner portions.
- Use freshly grated cheese for the best melt and flavor.
- The lasagne can be assembled a day ahead and baked when needed.
