Prepare GoodMix Blend 11 by adding 1/3 cup water to 2/3 cup (100g) raw mix. Stir and refrigerate overnight.
Prepare macadamia nuts by soaking in boiling water for at least 1 hour to soften. Drain before use.
In a food processor, add prepared GoodMix Blend 11, rolled oats, coconut oil and plain sweet biscuits. Process until mixture is resembles sticky breadcrumbs. Spread mixture into a lined 20x30cm slice tray then set aside in fridge.
Add all remaining ingredients to a food processor. Process until mixture is smooth and creamy.
Pour mixed berry filling over chilled slice base. Freeze for at least 2 hours before serving.
This slice makes a delicious vegan, dairy-free dessert alternative - remove from freezer for 10 minutes before serving to allow the slice to soften slightly.