Saute bread-rounds. Remove center portion. Spread cavity with pate de foi gras puree. Put a poached egg on top; a teeny weeny bit of sour cream on the top.
Saute bread rounds. Remove center portion. Fill cavity with sliced mushrooms; put a poached egg on top - a bit of sour cream and a sprinkling of parmesean cheese - a few pimentos to top it all off.