In a medium sized bowl, mix together the Greek yogurt and stevia until throughly combined.
Add almond butter and stir again until swirly.
Spoon yogurt mixture into molds (or muffin tins) and freeze for 2-3 hours until frozen solid.
Notes
To store: Place in an airtight container in the freezer for up to 3 months.You can add blueberries, other sliced fruit, chopped nuts etc instead of the chocolate chips.