Buttery shortbread thumbprint cookies flavored with almond extract and filled with floral jams like rose, violet, or lavender. Perfect for teatime or gifting.
For egg-free version, substitute egg with 3 tablespoons aquafaba or a flax egg (1 tbsp ground flaxseed mixed with 3 tbsp water and rested for 5 minutes)., Use thick, seedless jams or preserves for best results to avoid runny filling., Chilling dough is essential to prevent spreading and maintain cookie shape., Use properly softened butter (room temperature for at least 30 minutes) for even mixing and desired texture., Store cookies in an airtight container at room temperature for up to 1 week once jam is fully set, with layers separated by parchment to avoid sticking., Freeze unbaked dough balls for up to 2 months; bake from frozen, adding 1-2 minutes to baking time., Freeze baked cookies for up to 3 months, layering with parchment paper., Jam should be added after partially baking if you want to avoid jam burning or bubbling during baking.