By Danielle Sepsy
Parchment paper to line 8 x 8 pan. Leave extra on sides to lift cake out of pan.
12 tbsp unsalted butter at room temperature
1/2 cup packed dark brown sugar
1/2 cup granulated sugar
2 tsp vanilla extract
3 large eggs
1 1/4 cup flour
1/2 tsp salt
1/2 tsp baking powder
1/2 cup sour cream
Beat wet ingredients. Mix dry ingredients. Combine wet and dry ingredients. Transfer to pan and smooth on top.
Make the crumb topping
3/4 cup dark brown sugar
3/4 cup white sugar
Mix with a fork
Add:
1 tsp salt
1tbsp cinnamon
1 1/2 cup melted butter
Mix together and add:
3 1/2 cups cake flour
Use a tossing motion with your hands it should feel like wet sand.
Squeeze a handful of crumbs and put it on the outside of the cake first.
Put pan on sheet pan so it doesn’t dirty oven.
Bake at 375° for 60 minutes
Sprinkle with powdered sugar.
