Kale Salad with Citrus, Avocado, and Feta

Ingredients (9)

• 1 bunch kale
• 1/8 cup extra-virgin olive oil
• 1 teaspoon orange zest
• 2 tablespoons fresh orange juice
• Pinch of Kosher salt
• 2 small blood oranges
• 1 large grapefruit
• 1 large avocado
• 1/3 cup crumbled feta cheese