Prep fruit: Rinse, hull, and roughly chop the strawberries. Reserve 4–6 whole strawberries for garnish if desired.
Make strawberry puree: In a blender or food processor, pulse the chopped strawberries with 1 tbsp lemon juice until smooth or slightly chunky (your choice). Optional: strain through a fine mesh for seed-free puree. Taste and add 1 tsp sugar or honey if berries are tart.
Prepare yogurt base: In a medium bowl whisk together Greek yogurt, vanilla, pinch of salt, and powdered sweetener until smooth. If using granulated sugar, dissolve first in 1–2 tbsp warm yogurt. Stir in honey/maple if using.
Bloom gelatin (optional): Sprinkle gelatin over 2 tbsp cold water; let sit 2–3 minutes. Warm gently (microwave 5–10s or stovetop) until dissolved; cool slightly. For vegan option, dissolve agar-agar per package instructions (usually simmer briefly). Whisk dissolved gelatin/agar into yogurt base quickly and evenly.
Combine for desired texture:
For marbled bites: Fold ⅓ of the strawberry puree into the yogurt to create a pink swirl and keep remaining puree separate for swirl effect.
For uniform bites: Fold all puree into the yogurt until evenly pink.
Pipe or spoon: Transfer mixture to a piping bag or use a teaspoon to drop tablespoon-sized dollops onto a parchment-lined baking sheet or into silicone molds. If marbling, add a small dollop of straight strawberry puree to each and swirl gently with a toothpick.
Add toppings (optional): Press crushed graham, toasted coconut, or seeds onto tops before freezing, or dip hardened bottoms in melted chocolate after setting.
Freeze: Place trays or molds in the freezer and freeze until solid, 2–3 hours (faster in silicone molds).
Store: Once frozen, transfer bites to an airtight container or freezer bag with parchment layers. Return to freezer.