Cheddar Cheese and Green Onion Scones

Ingredients

• SCONES
• 2 ¾ cups all purpose flour , plus more for kneading
• 2 ½ tsp baking powder
• ½ tsp baking soda
• ½ tsp kosher salt
• ¾ cup cold butter , cut into cubes
• ¾ cup whole milk
• 1 large egg
• 1 cup sharp Cheddar cheese , grated
• 1/2 cup thinly sliced green onions , both white and green parts
• Softened butter , for serving
• EGG WASH
• 1 large egg and 1 Tbsp milk combined