Topping Ingredients:
3 oz butter, softened
1/2 cup brown sugar
1 tsp cinnamon
1/2 tsp ground ginger
1/2 cup flour

Cake ingredients:
3 oz butter, softened
2/3 cup + 2 Tbsp sugar
1 egg
1 tsp vanilla
1/2 cup milk
zest of 1 lemon
2 cups flour
1 1/2 tsp baking powder
1/2 tsp salt
4 cups berries

Topping Directions:

1. Combine butter and sugar together by hand.
2. Add spices, mix to combine
3. Add flour, mix to combine
4. Refrigerate

Cake Directions:

1. Preheat oven to 375 degrees.
2. Prepare 9x13 inch pan with non-stick spray
3. Combine flour, baking powder, and salt in a medium bowl
4. Cream butter and sugar in a large bowl
5. Add egg, vanilla, and zest. Mix until combined.
6. Add half of the dry ingredients and mix until combined
7. Add half of the milk and mix until combined.
8. Repeat with remaining dry ingredients and milk
9. Fold half of the berries into the batter
10. Spread batter into prepared pan
11. Top with remaining berries
12. Remove topping from refrigerator and crumble on top of the buckle
13. Bake for 35 minutes or until cake springs back when lightly touched in center