The deep-dish apple pie with crumble topping was delish.
Globe and Mail (2003)
To make the crumble topping, blitz the flour and butter to crumbs in a food processor.
Times, Sunday Times (2012)
To make the crumble topping, put the flour and brown sugar in a bowl and mix.
The Sun (2013)
Mix in a few stewed apples and cover the mixture with a regular crumble topping.
Times, Sunday Times (2014)