Avocado and Grapefruit Salad with Aji Panca Vinaigrette Recipe

Ingredients (6)

• 2 large ruby grapefruits, cut into segments, juice reserved
• 2 ripe Hass avocados, cut in half and sliced 1/4 inch thick
• 4-6 tablespoons red onion, diced fine, divided
• 4 teaspoons aji panca (or pasilla chile), ground (about 1 large chile)
• 4 tablespoons fruity extra virgin olive oil, divided
• Coarse salt, to taste