The baked torte can be refrigerated for up to 2 days. Reheat slightly in a 350° oven.
Dulce de leche is a caramel-like boiled sweetened milk. Smuckers is a good supermarket brand.
Turning crepes with a spatula often causes them to break. The easiest way to flip them is with your fingers. Use a spatula or a table knife to lift up the edge, then gently pick up the crepe and flip it over.