Mix together apples, eggs, and sugars and set aside so they can soak and render their juices.Preheat oven to 400 degrees F. If using muffie pans, grease wells with cooking spray or shortening. If making muffins, line pan with 14 paper liners or grease with cooking spray or shortening.Make the streusel by combining all streusel ingredients and mixing until clumpy. Set aside.In a large bowl, mix flour, baking powder, baking soda, cinnamon, salt, and nutmeg. Add the apple mixture, milk, and melted butter and mix until just combined.Spoon into muffie (about ¼ cup) or muffin cups and then top with struesel. Bake for 8-10 minutes for muffies and 13-15 minutes for muffins until tooth pick comes out clean (careful not to over bake)While muffies bake, make the glaze by whisking all the glaze ingredients together. Add milk as needed to get desired drizzling consistency. Drizzle over the top of muffins when they come out of the oven.