Roux

Ingredients

• 1 onion (like Vidalia), peeled and roughly chopped
• 100 g (about 1/2 cup) cucumber, peeled and roughly chopped
• 2 Tablespoons extra-virgin olive oil
• 2 Tablespoons white wine vinegar
• 30 g blanched almonds (whole, slivered, or sliced)
• 1/2 teaspoon fine sea salt
• 1/4 teaspoon ground turmeric
• 1/4 teaspoon freshly ground black pepper
• Hefty pinch of ground cayenne pepper
• 1/4 cup cold water