Mix together the flour, baking powder, sugar and salt in a bowl.
Cut the butter into small pieces and add it to the flour mixture. Continue cutting the butter in with a knife until all the butter is cut into small, pea sized crumbs.
Once all the butter is cut in, add the sourdough discard, egg, vanilla, sour cream, heavy cream, and chopped strawberries. Mix just until it all comes together. It will be slightly crumbly, but that's perfect! Don't over mix or add more liquid.
Transfer the dough onto a piece of parchment paper and press into a circle about 8" in diameter. If any crumbles are left, just press them in to the dough. Using a bench scraper or knife, cut the scones into 8 wedges. Gently wiggle them apart just slightly so there is a tiny space in between each one.
Transfer the dough (and parchment paper) onto a baking pan. Then, place the prepared, cut scones into the refrigerator to chill for 20 minutes and preheat the oven to 400.
After the dough has chilled for 20 minutes, take it out of the fridge and brush each wedge with the egg wash. Place the pan into the preheated oven and bake for 25 minutes or until the scones are golden brown.
While your scones are baking, mix together 1 Cup of powdered sugar with 2 tsp of maple syrup, 1/2 tsp vanilla, and 3 Tbsp of heavy cream. If the icing is too thick, stir in 1 Tbsp more a little at a time until it reaches the desired consistency. You should be able to gently drizzle it.
Remove the scones from the oven and let them cool completely before adding the icing.
Once scones are cool, drizzle on the icing