Crisp Smashed Potatoes With Fried Onions and Parsley  Recipe

Ingredients

• Kosher salt
• 1 1/4 pounds tiny potatoes (1 to 2 inches, about the size of a golf ball)
• 1/3 cup chicken fat, olive oil or peanut oil
• Freshly ground pepper
• 2 tablespoons unsalted butter
• 1/2 small yellow onion, thinly sliced into rings
• 1 teaspoon Aleppo pepper or ½ teaspoon crushed red pepper flakes
• Flaky sea salt
• 1/4 cup chopped fresh flat-leaf parsley