In my “mock” soufflé, “just eggs and cheese” replace the béchamel ... Cook until soft, 5 to 8 minutes. Add zucchini, season with salt and pepper, and continue cooking, stirring ...

Grease a 2 1/2-quart souffle dish; dust lightly with flour ... Stir a small amount of hot zucchini mixture into egg yolks; return all to bowl, stirring constantly. Cool slightly.