Classic Coffee Cake (Print Version)

# Ingredients:

01 - For topping: 1 cup brown sugar, 1 cup flour, 1 tsp cinnamon, pinch salt, 1/2 cup butter.
02 - For filling: 1/4 cup sugar, 1 tbsp flour, 1/2 tsp cinnamon.
03 - For cake: 3 cups flour.
04 - 2 1/4 cups sugar.
05 - 3/4 tsp baking powder.
06 - 1/2 tsp baking soda.
07 - 1/2 tsp salt.
08 - 1 cup butter, soft.
09 - 1 cup sour cream.
10 - 1/4 cup whole milk.
11 - 4 eggs.
12 - 1 tbsp vanilla.

# Instructions:

01 - Heat oven to 350°F. Butter 9x13 pan.
02 - Mix brown sugar, flour, cinnamon, salt. Mash in butter until crumbly.
03 - Mix sugar, flour, and cinnamon for middle layer.
04 - Beat dry ingredients with butter until sandy. Mix wet ingredients separately, then combine into smooth batter.
05 - Spread half batter in pan, add cinnamon mix, top with remaining batter and streusel.
06 - Cook 55 minutes until toothpick comes out clean. Cool 1 hour.

# Notes:

01 - Can make 1-2 days ahead.
02 - Freezes well.
03 - Can halve recipe for 8x8 pan.