Recipe: Cinnamon Sugar Coffee Cake

(Found in a recipe book from the Dash Go company, but recipe not posted on their website)

1 C Sugar
1 3/4 c Flour
2 tsp Baking Powder
4 Tbsp Butter, cut into 1/2 inch chunks
1 Egg
1/2 C Milk
1 Tbsp Sugar mixed with 1 1/2 tsp Cinnamon

Directions:

Preheat oven to 375 F. Butter an 8" square pan or a loaf pan. Combine dry ingredients (except Cinn/sugar mix) in mixer on low. Add butter. Mix on medium until mix resembles cornmeal. Add Egg and Milk. Blend.
Spoon into pan. Sprinkle sugar/cinnamon mixture over top of batter. Bake for 20 minutes or until toothpick comes out clean.