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A close up of a square of slice made with rolled oats and dates, and drizzled with dark chocolate.

Thermomix Date Slice

An easy Thermomix Date Slice made with oats and chia seeds. This really is the perfect healthy slice! Quick, easy and delicious!
Course Slices
Cuisine Australian
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 16 pieces
Calories 129kcal


  • 300 g pitted dates
  • 500 g water
  • 1 ½ teaspoon bi-carb soda
  • 2 tbs honey
  • 180 g quick oats
  • 2 tbs chia seeds
  • 2 tbs LSA (ground linseed, sunflower seeds and almonds) optional
  • 50 g dark chocolate, to drizzle optional


  • Preheat oven to 160 degrees celsius (fan forced). Grease and line a 18 X 28cm rectangular slice tin. Set aside.
  • Place the pitted dates into the Thermomix bowl and chop on Speed 10, 20 seconds. Scrape down the sides of the bowl and repeat until finely chopped. 
  • Add the water and cook on Reverse, Speed 3, 6 minutes, 90 degrees.
  • Add the bi-carb soda and mix on Reverse Speed 2, 2 seconds.
  • Add the honey, oats, chia seeds and LSA and mix on Reverse, Speed 4 (or until combined) - use the spatula to assist.
  • Press the mixture firmly into the slice tin. 
  • Bake for 30 minutes or until slightly golden and firm to the touch. Allow to cool in the tray.
  • Drizzle over the melted dark chocolate (optional).


Calories: 129kcal | Carbohydrates: 26g | Protein: 3g | Fat: 3g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 0.003g | Cholesterol: 0.1mg | Sodium: 106mg | Potassium: 193mg | Fiber: 3g | Sugar: 15g | Vitamin A: 4IU | Vitamin C: 0.1mg | Calcium: 25mg | Iron: 1mg