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Preheat
the oven to 350°F/180°C/gas 4.
Butter a 9-inch (23-cm) ring mold.
Set aside the asparagus tips. Slice the stalks into
rounds.
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Cook the asparagus stalks in salted,
boiling water until crunchy-tender.
Drain.
-
Sauté
the asparagus stalks and shallot in 1 tablespoon
of butter in a large frying pan until
lightly golden. Season with salt and pepper.
-
Transfer to a food processor and process until
smooth.
Mix the asparagus puree into the Béchamel with the
egg yolks and Parmesan.
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Sauté the zucchini flowers in the remaining butter
in a large frying pan until softened.
Use the flowers to line the prepared mold.
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Pour the asparagus mixture into the mold. Fill a
large roasting pan halfway with hot water and place
the
mold in the pan.
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Bake for 90 minutes.
Turn out
onto a serving dish and let cool completely.
-
Blanch the snow peas, peas, and asparagus tips in
salted, boiling water for 5-7 minutes, or until just
tender.
Drain well and use them to garnish the center of the
ring.
Serve warm.