Pipe the frangipane rather than spooning it, for an even layer that won't sink to the bottom. Weigh your ingredients (a digital scale) for the most reliable gluten-free bake. Add the xanthan gum only if your flour blend doesn't already contain it. Use room-temperature eggs, milk, and yogurt. Watch the almonds and tent with foil if browning too fast. Judge doneness by a set, slightly domed top with no raw batter (the frangipane stays gooey by design). Keeps 3 to 4 days in a closed container in a cool, dry place.
Keyword Almond Croissant Cake, Frangipane Cake, Gluten Free Almond Cake, Gluten Free Almond Croissant Cake