Thinly julienne zucchini lengthwise with slicer, working around core, into 1/4-inch-thick ribbons. Cut zucchini cores into 1/2-inch pieces.
Peel potatoes and cut into 1/2-inch pieces. Cook onion in butter in a 5-quart heavy pot over moderate heat, stirring occasionally, until softened, about 10 minutes. Add potatoes, garlic, and saffron and cook, stirring, 1 minute. Add broth, bay leaf, and thyme and simmer, uncovered, until potatoes are tender, about 20 minutes. Add chopped zucchini cores and simmer, uncovered, until zucchini is very tender, about 8 minutes.
Purée soup in batches in a blender until very smooth (use caution when blending hot liquids) and pour through a fine sieve into a bowl. Stir in cream, lemon juice, salt, and pepper, then cool to room temperature, uncovered. Chill soup, covered, until cold, at least 4 hours and up to 2 days.
While soup is chilling, cook julienned zucchini in boiling salted water until crisp-tender, about 30 seconds, then drain and transfer to a bowl of ice and cold water. Drain and pat dry with paper towels. Season with salt and pepper and chill, covered.
Before serving soup, cut each scallop horizontally into 3 rounds and pat dry. Heat oil in a large nonstick skillet over high heat until hot but not smoking, then sear scallops until golden brown, 20 to 30 seconds on each side, and season with salt.
Serve soup with zucchini mounded in center, topped with scallop rounds.
Cooks' note: ·Julienned zucchini can be cooked 2 days ahead and chilled, covered.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	152.05 Kcal (637 kJ)
Calories from fat	80.45 Kcal
		% Daily Value*
Total Fat	8.94g	14%
Cholesterol	27.53mg	9%
Sodium	1014.91mg	42%
Potassium	336.18mg	7%
Total Carbs	12.74g	4%
Sugars	3.99g	16%
Dietary Fiber	2.03g	8%
Protein	4g	8%
Vitamin C	20.3mg	34%
Vitamin A	0.6mg	21%
Iron	0.8mg	4%
Calcium	36.9mg	4%

Amount Per 100 g
Calories	60.47 Kcal (253 kJ)
Calories from fat	32 Kcal
		% Daily Value*
Total Fat	3.56g	14%
Cholesterol	10.95mg	9%
Sodium	403.66mg	42%
Potassium	133.71mg	7%
Total Carbs	5.07g	4%
Sugars	1.59g	16%
Dietary Fiber	0.81g	8%
Protein	1.59g	8%
Vitamin C	8.1mg	34%
Vitamin A	0.2mg	21%
Iron	0.3mg	4%
Calcium	14.7mg	4%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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