Mushroom, Leek and Thyme Slice


This super tasty savoury slice is always a hit with my family! I usually serve it with a quick salad and roast veggies. The asparagus on top adds a nice touch, but it’s not essential if you don’t like/have it.

It’s quick to get in the oven, leaving you free to get on with other things while dinner cooks.

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5 from 1 vote

Mushroom, Leek and Thyme Slice

This delicious savoury slice is one for anyone that loves mushrooms!
Prep Time4 minutes
Cook Time6 minutes
Baking45 minutes
Total Time55 minutes
Course: Light Meal
Cuisine: Australian, Vegetarian
Keyword: Mushroom and leek, Savoury slice
Servings: 8
Calories: 153kcal


  • butter (or olive oil) for greasing
  • 200 g leek halved lengthways, cut into 4cm lengths
  • 2 garlic cloves
  • 20 g ghee (or butter)
  • 400 g mushrooms
  • 200-250 g carrots roughly chopped
  • 3 eggs
  • 100 g fetta cheese roughly chopped
  • 50 g spelt flour (or plain flour, or gluten free flour)
  • 1 tsp Herbamare (or 15g odds-and-ends vegetable stock paste)
  • 1 tsp pepper
  • 2 tsp fresh thyme leaves only
  • 1 bunch asparagus woody ends removed (optional)


  • Preheat oven to 180°C. Grease a slice tin or quiche dish.
  • Place the leek and garlic in mixer bowl. Chop 5 seconds/speed 5/MC on.
  • Add ghee. Cook 6 minutes/steaming temperature/speed 1/MC off.
  • Add all remaining ingredients, except the asparagus. Blitz 30 seconds/speed 4/MC on.
  • Pour into prepared dish and arrange the asparagus on top, if you are using it.
  • Bake 45-50 minutes, or until set.


Serving: 1serve | Calories: 153kcal | Carbohydrates: 15g | Protein: 8g | Fat: 7g | Saturated Fat: 4g | Cholesterol: 79mg | Sodium: 480mg | Potassium: 428mg | Fiber: 4g | Sugar: 5g | Vitamin A: 5184IU | Vitamin C: 10mg | Calcium: 112mg | Iron: 3mg

Please note, nutrition information is calculated via an online recipe nutrition calculator and is a guide only. It is provided as a courtesy and is not guaranteed 100% accurate. I am not a nutritionist or trained health professional.

Tried this recipe?Please rate it and leave feedback in the comments section below, or mention @Thermobexta or tag #Thermobexta on Instagram.
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Hi, I'm Bec

I specialise in great tasting vegetarian Thermomix recipes and cater for a wide range of dietary needs. I love sharing here and in my cookbooks my healthy, delicious recipes (of course the odd treat too!) Whether you’re looking to ignite your thermo mojo, or just after some new, really tasty family friendly recipes, there really is something here for everyone



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