Coffee Cake

From Basics with Babish

===== Ingredients =====
Streusel:
-240g flour
-170g dark brown sugar
-1tsp cinnamon
-71g sugar
-1/4tsp baking powder
-1.5 sticks butter

Cake:
-240g flour
-2tsp baking powder
-1/2tsp baking soda
-1tsp salt
-185g sugar
-1stick butter, sliced
-3 eggs
-2tsp vanilla
-1c sour cream/yogurt
-powdered sugar

===== Instructions =====
1. Mix dry streusel ingredients first
2. Add in butter and combine until crumbly
3. Mix dry cake ingredients
4. In stand mixer, combine sugar and butter. Add eggs, vanilla, and sour cream
5. Sift in dry ingredients
6. Layer in loaf pan, 1/2 batter, streusel, batter, streusel
7. Bake 350F for 50-60min
8. Cool in pan 45 min, cool completely in wire rack
9. Dust with powdered sugar