Chocolate and Peanut Butter Streusel Cake

Why I Love This Recipe
Ingredients You'll Need
2 1/4 c a-p flour
2 c brown sugar
1 c cream peanut butter
1/2 c butter, rm temp
3 L eggs
1 c milk
1 t vanilla
1 t baking powder
1/2 t baking soda
1 (12 oz) pkg SS choc chips (2c)
Directions
Preheat oven to 350. Butter 9x13 pan.
Using elec mixer, beat flour and next 3 ingredients in L bowl at low speed until streusel is blended and crumbly.
Transfer 1 c lightly packed streusel to small bowl and reserve.
Add eggs, milk, vanilla, baking powder, and baking soda to remaining streusel in L bowl.
Beat at low speed until evenly moist. Increase speed to med and beat until well blended, occasionally stopping to scrape down bowl, about 3 minutes.
Stir in 1 c choc chips.
Transfer batter to pan. Sprinkle with reserved cup of streusel and remaining 1 c choc chips.
Bake cake until tester inserted into center comes out clean, about 35 minutes.
Cool cake in pan on rack.