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U.S. measurements first, metric equivalents in parentheses. Conversions are approximate; oz means weight ounces, not fluid ounces.
4 cups (960 ml) (loosely packed) watercress, trimmed 2 cups (480 ml) baby arugula 1 medium fennel bulb, very thinly sliced (reserve fronds for garnish) 1 large ruby red grapefruit, segmented (reserve 2 tbsp (30 ml) juice) 4 radishes, thinly sliced 1 Persian cucumber, thinly sliced or ribboned 1 / 4 cup (60 ml) fresh mint leaves, torn 1 / 3 cup (80 ml) pistachios, toasted and roughly chopped Flaky sea salt and freshly ground black pepper, to taste 1 / 3 cup (80 ml) extra-virgin olive oil 2 tbsp (30 ml) fresh lemon juice 1 tbsp (15 ml) champagne vinegar 1 tsp (5 ml) Dijon mustard 1 tsp (5 ml) honey 2 tbsp (30 ml) shallot, very finely minced 1 tsp (5 ml) lemon zest Pinch crushed red pepper flakes Optional: 1 oz (28 g) shaved Parmesan
4 cups (loosely packed) watercress, trimmed 2 cups baby arugula 1 medium fennel bulb, very thinly sliced (reserve fronds for garnish) 1 large ruby red grapefruit, segmented (reserve 2 tbsp / 30 ml juice) 4 radishes, thinly sliced 1 Persian cucumber, thinly sliced or ribboned 1 / 4 cup fresh mint leaves, torn 1 / 3 cup pistachios, toasted and roughly chopped Flaky sea salt and freshly ground black pepper, to taste 1 / 3 cup extra-virgin olive oil 2 tbsp fresh lemon juice 1 tbsp champagne vinegar 1 tsp Dijon mustard 1 tsp honey 2 tbsp shallot, very finely minced 1 tsp lemon zest Pinch crushed red pepper flakes Optional: 1 oz shaved Parmesan
U.S. measurements first, metric equivalents in parentheses. Conversions are approximate.
Toast pistachios in a dry skillet over medium heat until fragrant, 3–4 minutes; cool and roughly chop. Supreme the grapefruit over a bowl to catch juices; reserve 2 tbsp (30 ml) juice and set segments aside. Make the vinaigrette: In a bowl, whisk reserved grapefruit juice, lemon juice, champagne vinegar, Dijon, honey, shallot, lemon zest, red pepper flakes, 1/2 tsp (2.5 ml) salt, and a few grinds of black pepper. Slowly whisk in olive oil until emulsified. Prepare the vegetables: thinly slice fennel (a mandoline helps), radishes, and cucumber. Pick and tear mint leaves. Rinse and dry watercress and arugula well. In a large bowl, toss watercress, arugula, fennel, cucumber, radishes, and mint with about half the vinaigrette; season to taste with salt and pepper. Plate the salad, tuck in grapefruit segments, and scatter toasted pistachios. Drizzle with more vinaigrette as desired. Garnish with fennel fronds, a final pinch of flaky salt and black pepper, and shaved Parmesan if using. Serve immediately.
Toast pistachios in a dry skillet over medium heat until fragrant, 3–4 minutes; cool and roughly chop. Supreme the grapefruit over a bowl to catch juices; reserve 2 tbsp juice and set segments aside. Make the vinaigrette: In a bowl, whisk reserved grapefruit juice, lemon juice, champagne vinegar, Dijon, honey, shallot, lemon zest, red pepper flakes, 1/2 tsp salt, and a few grinds of black pepper. Slowly whisk in olive oil until emulsified. Prepare the vegetables: thinly slice fennel (a mandoline helps), radishes, and cucumber. Pick and tear mint leaves. Rinse and dry watercress and arugula well. In a large bowl, toss watercress, arugula, fennel, cucumber, radishes, and mint with about half the vinaigrette; season to taste with salt and pepper. Plate the salad, tuck in grapefruit segments, and scatter toasted pistachios. Drizzle with more vinaigrette as desired. Garnish with fennel fronds, a final pinch of flaky salt and black pepper, and shaved Parmesan if using. Serve immediately.
Per serving | Servings: 4
Nutrition estimated: November 5, 2026
*Values are estimates based on USDA data and mathematical calculations. Actual values may vary. Where data are unavailable, those contributions are excluded. Calories, Carbohydrates, Protein, Fat, Saturated fat, Cholesterol, Fiber, Sodium, Potassium, Calcium, Iron, Vitamin A, Vitamin C and Vitamin D are known subtotals. Missing contributions are unknown, not zero.