Roasted Shrimp with Black Bean Sauce

Oh, this is so good!  It makes for the perfect appetizer!  It's super easy too.  Great, great dish!  Enjoy!
-2 Tbs extra virgin olive oil
-2 garlic cloves, minced
-1 tsp chili powder
-1 (15 oz) can black beans, rinsed and drained
-1 1/2 cups chicken broth
-cooking spray
-salt and pepper
-2 lbs large shrimp, peeled, deveined, with tails removed
Preheat the broiler to high.  Coat a cookie sheet with cooking spray.  Sprinkle with some salt and pepper.  Arrange the shrimp in a single layer.  Coat the shrimp with cooking spray and sprinkle with salt and pepper.  Set aside.
Heat oil in large skillet.  Add the garlic and cook for 1 minute (do not burn it!).  Add the chili powder and cook for 30 seconds.  Add the beans and cook, stirring, for about 3 minutes.  Stir in the broth.  Transfer 1 cup of the bean mixture to your blender and process until smooth.  Return to the skillet.  Give it a good stir and continue cooking for 5 more minutes, stirring occasionally.
Meanwhile, pop the prepared shrimp into the preheated oven for 5 minutes.
Remove roasted shrimp from oven and the sauce from the stove.  Serve together and enjoy!