Cauliflower Hashbrowns

Ingredients (10)

• 1 pound cauliflower
• 1/2 small yellow or white onion
• 1/2 teaspoon kosher salt, more to taste
• 1/2 cup shredded cheddar cheese
• 1 large egg, beaten
• 1 tablespoon cornstarch
• 1/4 teaspoon garlic powder
• Freshly ground black pepper, to taste
• 3 tablespoons thinly sliced chives, divided
• 2 tablespoons olive oil