Preheat oven to 375 degrees
Spray 9" glass baking dish with cooking spray & set aside
In mixer - beat 1/2 cup butter until smooth.
Add in 1/2 cup sugar & beat until light & fluffy
Add egg - beat until well combined
Beat in 2-1/3 cups flour & your baking powder & salt
Add in milk as it's beating in the dry ingredients
Transfer to prepared pan- spread out
In small bowl- toss berries with lime juice & then pour over batter
Add white chocolate chips
In another small bowl combine remaining butter, cinnamon, remaining sugar & remaining flour- mix with pastry blender until large crumbles remain.
Sprinkle over the top of your berries & spread out to cover
Bake 50-60 minutes or until toothpick test comes out almost clean.
Cool in pan on wire rack
Serve warm with a scoop of vanilla ice cream on top *opt