Citrus Salad with XO Sauce

Ingredients

• 3 Tbsp (27 g) minced ginger
• 2 Tbsp (12 g) minced garlic
• 2 Tbsp (14 g) thinly sliced scallions
• 1/2 Tbsp fresh citrus zest
• 1 whole dried tianjin chile or chile de arbol (or chile flakes to taste)
• 1 tsp smoked pimenton
• 1 tsp salt
• 1/2 tsp monosodium glutamate, or 1 tsp nutritional yeast
• 1/3 tsp sugar
• Olive oil to cover
• 2 grapefruits
• 4 oranges
• 3 or 4 Castelvetrano olives, pitted
• 4 scallions
• 2 tsp lemon juice
• 2 tsp olive oil
• Maldon sea salt
• Long pepper, grated with a rasp-style grater, for garnish (optional)