Heat oven to 350°F and spray a 9x13 pan with baking spray.
For the crumb topping: Mix 1/2 cup flour, 1/2 cup sugar and 1/4 cup melted butter until crumbly. Set aside.
For the batter: Combine remaining flour, sugar and baking powder in a large bowl, then add egg, milk, almond extract and remaining 1/2 cup melted butter. Mix until smooth.
Pour batter into pan, spread cherry pie filling over top, then sprinkle with crumb mixture.
Bake for 40 minutes, then cool before cutting.