Best Boxty Recipe - How to Make Homemade Irish Boxty

Ingredients

• 2 large floury potatoes (about 1 lb. total), such as russet or Idaho
• 2 tsp. kosher salt, divided
• 1 c. (120 g.) all-purpose flour
• 1 tsp. baking soda
• 1/2 tsp. freshly ground black pepper
• 3/4 c. (180 mL) buttermilk
• 6 tsp. unsalted butter, divided
• 6 tsp. vegetable oil, divided
• Sliced scallions and sour cream, for serving