1) With a sharp knife, cut crab legs into 2 inch long pieces.
2) Melt butter in a large, heavy skillet over medium heat.
3) Stir in garlic and Cajun Spice Mixture; sauté 1 to 2 minutes.
4) Add crab and remaining ingredients except rice.
5) Increase heat to medium-high and bring to a boil, stirring gently.
6) Cook 3 to 4 minutes, or until crab is well heated.
7) Serve crab and sauce over rice.
8) Garnish with chopped parsley.

Cajun Spice Mixture
1) Mix together 1/2 teaspoon each black pepper, crushed red pepper flakes and dried thyme and 1/4 teaspoon each dried oregano and cayenne pepper until well combined.