Melt white chocolate and butter in microwave

Add in powdered sugar, eggs, yolk, lemon juice, lemon zest. Stir to combine.

Add sifted flour salt. Mix well.

Pre-heated oven at 425F. Grease muffin mold with butter and flour.

Bake at 425F for 10 minute. Jiggle at the center). Serve warm with berries.