"This was a delicious pie. I did found the muscovado sugars at Whole Foods. I would probably just go for regular brown sugars next time. For crunch topping I found that a 4-in square was basically a Rubik's Cube and this seemed ridiculous so I made a 10-in square. Worked fine. I found the egg wash step to be nearly impossible so I gave up. Did not strain the filling, pie was just fine. Extended baking timet. Oven temp is accurate but after 60 mins. pie was nowhere near done. Raised temp 25 degrees and cooked 30 more mins. before center was set. Extra crunchy topping was used on apple pie with vanilla ice cream and it was delicious. I would make this pie again.