In a small blender, add raspberries, sweetener, water and lemon juice. Blend for 30-60 seconds until completely smooth.
Taste and adjust for sweetness if needed.
Pour into a shallow dish with a lid.
Cover and freeze for 2-3 hours until set.
Sweetener Alternatives: Use any powdered sweetener that measures 1:1. See post above for details and a list of alternatives. Always sweeten to taste.To Store:Best served fresh. Keep frozen. Thaw in the fridge or on the counter to soften if needed. Can be stored frozen for one month.On calculating macros:The values here are provided as an estimate and do not include allulose in the calculation (since my program does not have a place for it). If you use total carbs, add 3.9 to the total to account for the allulose. If you use net carbs, the macros are provided below.