Thermomix Lemon Delicious Slice

Lemon delicious slice is a zingy curd-like custard slice on a baked, buttery biscuit base. This is a simple Thermomix lemon slice recipe that the whole family will love!

This is one of my favourite retro treats! I have a weak spot for all lemon desserts actually.  I used to make this recipe in my food processor as it was much easier than making it by hand. Now that I have a Thermomix I no longer own a food processor and happily this slice even easier to make in the Thermomix.

Gluten-Free Lemon Delicious Slice

I have a friend who highly sensitive to gluten and is on a strictly Gluten-free diet.  He has a sweet tooth so I wanted to make a dessert that was safe for him to eat and super delicious! I trialled this recipe substituting White Wings Gluten-free flour with the regular flour.  The recipe was a straight swap between the flours and turned out perfectly. I couldn’t find any taste or texture difference between the two slices. 

Step By Step Lemon Slice

If you’re looking for more desserts take a look at some of my favourites!

Apple Streusel Slice

Nutella Fudge Brownie w Raspberries

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Lemon Delicious Thermomix Slice

Julie Carlyle

Lemon Delicious Slice is a zingy curd-like custard slice on a baked, buttery biscuit base. This is a simple Thermomix lemon slice recipe that the whole family will love! #Thermomix #dessert #Lemon #lemonslice

Print Recipe

Prep Time 10 mins

Cook Time 45 mins

Resting time 30 mins

Total Time 1 hr 25 mins

Course Dessert, Snack

Cuisine Australian

Servings 28 slices

Calories 165 kcal

Equipment

• 1 Thermomix
• 1 lemon Squeeze

Ingredients

 

MetricUS Customary

 

1x2x3x

Base

• 185 g sugar
• 145 g butter cubed
• 200 g plain flour  *sub for GF Flour in necessary

Curd Filling

• 300 g caster sugar
• 55 g cornflour *check GF if required
• 4 eggs
• 100 g lemon juice Approx 3 lemons depending on size and juice

Instructions

 

Base

• Line a slice tray 27.5cm x 17.5cm x 3.5cm with paper and preheat the oven to 180 degrees fan-forced.
• Place the sugar in TM Bowl. Mill 10 sec/Speed 9.
  185 g sugar
• Add the butter to the sugar. Heat 2 min/80 degrees/Speed 2.
  145 g butter
• Add flour to TM bowl. Process 10 Sec/Speed 5.
  200 g plain flour 
• Scrape down bowl. Repeat 10 Sec/Speed 5. Repeat if necessary.
• Transfer the biscuit base into prepared tray. Press the crumb down until smooth.
• Bake 15-20 minutes or until golden.

Lemon Curd Filling (Without cleaning the bowl!)

• Add sugar to TM bowl. Mill 10 Sec/Speed 9.
  300 g caster sugar
• Add remaining ingredients to TM Bowl. Combine 15 sec/ Speed 5.
  55 g cornflour, 4 eggs, 100 g lemon juice
• Heat lemon custard. 5min/80 degrees/Speed 3
• Pour the filling over the biscuit base and return the slice to the oven
• Cook for 15-20 minutes or until the slice is cooked but still has a wobble.
• Refrigerated the slice once cooked.
• Cut after the slice has been refrigerated.

Notes

The slice will set further once refrigerated.

If you would like to ensure the slice is GF make sure only pure milled sugar is used to dust the slice.

Nutrition

Calories: 165kcalCarbohydrates: 25gProtein: 2gFat: 6gSaturated Fat: 4gCholesterol: 39mgSodium: 61mgPotassium: 26mgFiber: 1gSugar: 17gVitamin A: 212IUVitamin C: 2mgCalcium: 7mgIron: 1mg

Keyword Dessert, Lemon, Lemon Bar, Lemon Slice, Lunchbox, slice, Thermomix Slice

Tried this recipe?Let us know how it was!