Brussels Sprouts Latkes Are the Ultimate Side Dish

Ingredients

• 1 small onion, peeled and halved
• 1 large russet potato, peeled
• 1 pound brussels sprouts, trimmed and finely shredded (or 4 cups of pre-shredded brussels sprouts)
• 2 eggs, lightly whisked
• 1 egg white, lightly whisked
• ⅓ cup all-purpose flour, or more as needed
• Salt and freshly ground black pepper
• Neutral oil (like canola, peanut or olive)
• Flaky salt, for finishing
• Sour cream, as needed for serving