Combine gelatin and milk in the small bowl, leave it for 15-20 minutes to bloom.
Whisk yogurt and sugar until sugar is dissolved.
Microwave gelatin and milk mixture for 30 sec increments until fully dissolved, then add yogurt mixture, whisk to combine.
Divide the mixture into two equal parts and set aside.
Strawberry Layer
Combine gelatin and water, leave it for 15-20 min to bloom.
Blend strawberries and sugar with the immersion blender.
Microwave gelatin in 30 sec increments until fully dissolved, then add to strawberries and sugar mixture.
Add 5 tbsp of strawberry mixture to one of the yogurt parts.
First Layer
Fill glasses with yogurt and strawberry mixture layer first, leave it to set in the freezer for 15 min.
Second Layer
Take glasses out of the freezer and fill them with strawberry mixture, leave them again in the freezer for 15 min until fully set. You can leave 2-3 tbsp of strawberry mixture to decorate the top layer.
Third Layer
Take glasses out of the freezer and fill them with the yogurt mixture. Decorate with the leftover strawberry mixture on top. Leave in the refrigerator for at least 1 hour to set.
Notes
I used Oui Yogurt jars for this recipe, which are 5oz each. This recipe makes about 7 individual 5oz jars.