Irish Scones — The Mom 100

Ingredients

• 3 cups all-purpose flour ((plus more for patting out the dough))
• 2 tablespoons sugar
• 1 tablespoon baking powder
• 1 teaspoon kosher salt
• ¾ cup (1 1/2 sticks) chilled unsalted butter ((cut into pieces))
• 1 cup milk ((preferably whole))
• 1 egg plus 1 egg yolk
• About 3 tablespoons softened unsalted butter ((for serving))
• ½ pound good-quality smoked salmon ((optional))