Rule for dessert + wine pairing: the wine should be sweeter or it will taste sour.
Moscato d'Asti (Italy)
Riesling Trockenbeerenauslese (Germany)
Champagne (France)
Prosecco (Italy)
Cava (Spain)
Sekt (Germany)
With French Toast, I would go for a sweet wine, or even better: Bubbles.