This recipe is awesome, and I can't take credit for inventing it. It was given to me by one of my coworkers. Man, FACS (Family and Consumer Science) teachers really have some good recipes, people. But the genius of this method is that you could do this with ANY quick bread recipe you like.
Allow me to demonstrate. Step 1: Friday night. Throw the following into a gallon ziploc bag: 2 c. flour, 1 T. baking powder, 1/2 t. salt, 1/2 c. sugar. Put that bag on the counter. Go to bed.
Step 2: Wake up on Saturday. Stumble into kitchen. Preheat oven to 350. Put the coffee on. Beat together in a bowl: 1 egg, 1 c. milk, 1/3 c. plain yogurt, 2 t. vanilla. Add the ingredients in your ziploc bag. Don't overmix! It should look like this:
Next, put the cinnamon mixture on top of the bread. Use a knife to swirl the cinnamon into the bread: