Cajun Shrimp and Rice

Simple, delicious and low in calories too!  I love this dish.  Enjoy!
-1 Tbs margarine
-2 Tbs extra virgin olive oil
-3 garlic cloves, minced
-2 tsp Cajun seasoning
-1 lb large shrimp, peeled and deveined
-salt and pepper
-4 Roma tomatoes, chopped
-1 bunch green onions, chopped
-3 cups cooked white rice
-1 Tbs dried parsley leaves
Heat margarine, oil and garlic in large non stick skillet.  Cook for about 1 minute.  Add Cajun seasoning and shrimp.  Cook for about 1 minute, or until shrimp starts curling.  Season with salt and pepper.  Add tomatoes and green onions.  Cook for another minute.  Add the rice and 1/4 cup water.  Stir and cook for about 3 minutes or until shrimp is pink.  Stir in parsley.  Enjoy!
Adapted from a Food Network recipe.