Equipment
* optional
Ingredients
Vinaigrette Base
- 45 ml grapefruit juice, freshly squeezed
- 20 g honey
- 5 g dijon mustard
- 2 g kosher salt
- 1 g black pepper, freshly cracked
Oil
- 90 ml extra virgin olive oil
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 147 kcal
- Protein
- 0 g
- Carbohydrates
- 4 g
- Fat
- 15 g
- Fiber
- 0 g
- Sugar
- 3 g
- Sodium
- 139 mg
- Saturated Fat
- 2 g
- Monounsaturated Fat
- 11 g
- Polyunsaturated Fat
- 2 g
- Potassium
- 17 mg
- Calcium
- 3 mg
- Iron
- 0.1 mg
- Magnesium
- 1 mg
- Phosphorus
- 2 mg
- Zinc
- 0.0 mg
- Vitamin A
- 0 mcg
- Vitamin C
- 3 mg
- Vitamin E
- 2.2 mg
- Vitamin K
- 9 mcg
- Niacin
- 0.0 mg
- Folate
- 1 mcg
- Water
- 7 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Measure the freshly squeezed grapefruit juice, honey, Dijon mustard, kosher salt, and black pepper into a mason jar.
Stir or swirl the jar gently to ensure the honey and mustard dissolve completely into the grapefruit juice.
Pour the extra virgin olive oil into the jar. Secure the lid tightly and shake vigorously for about 30 seconds until the dressing becomes thick, opaque, and fully emulsified.
Let the vinaigrette rest at room temperature (around 20C/68F) for 10 minutes. This resting period allows the flavors to meld and the salt to fully dissolve before serving over fresh greens or warm broccoli.
Chef's Notes
- Using fresh-squeezed grapefruit juice is paramount. Bottled citrus juices undergo pasteurization that dulls their bright, volatile aromatic compounds.
- Dijon mustard acts as a crucial surfactant in this recipe. Even a tiny amount provides the necessary mucilage to lock the oil and water molecules into a stable emulsion without overwhelming the delicate citrus flavor.
- If serving this over roasted broccoli, toss the florets with the vinaigrette while they are still hot. The residual heat opens the vegetable's cellular structure, helping it absorb the dressing's flavors much more efficiently.
- For added complexity, include a pinch of freshly grated grapefruit zest. Be careful to grate only the topmost colored layer of the skin to avoid the bitter white pith.
Storage
Refrigerator: 1 week — Olive oil may solidify in the cold; bring to room temperature and shake well before serving.
Troubleshooting
Dressing separates quickly into a layer of oil and a layer of juice
Cause: Insufficient mechanical force during shaking, or oil was added too quickly if whisking by hand
Fix: Add a small spoonful of warm water or a tiny dab of extra mustard to a new bowl, and slowly whisk the broken dressing into it to re-emulsify
Prevention: Ensure the jar lid is completely tight and shake with high energy, or stream oil in drop-by-drop initially when whisking
Dressing tastes overly bitter or astringent
Cause: Grapefruit pith was squeezed into the juice, or the olive oil used was too peppery and robust
Fix: Add an extra 5-10 grams of honey to balance the bitterness and a pinch more salt
Prevention: Squeeze the grapefruit gently to avoid extracting oils from the white pith, and select a mild olive oil
Cultural Context
Vinaigrettes trace their roots back to ancient Roman times, where simple mixtures of oil, acid, and salt were used to dress and preserve vegetables. This contemporary variation replaces traditional vinegar with the bright acidity of grapefruit, echoing modern Mediterranean flavor profiles that embrace fresh, seasonal citrus. The addition of honey to balance tartness is a time-honored technique frequently found in regional cuisines stretching from Southern Europe to the Levant.
