Preheat the oven to 400 degrees.

Line a muffin pan with cupcake liners.

In a medium bowl combine the flour, baking powder, and salt. Set aside.

In a large bowl cream together the butter and sugars. Add in the eggs and mix well. Stir in the sour cream.

Add half the flour mixture to the butter mixture and mix until combined.

Add the milk and mix until well combined.

Add the remaining flour and mix until just combined. Fold in the cherries.

Divide the batter between the muffin cups filling about 3/4 of the way full.

In a medium bowl combine the ingredients for the topping and mix until crumbly. Sprinkle over top of the muffins.

Bake for 15 minutes or until a toothpick inserted into the middle comes out clean. Cool completely.