Cook flour in a skillet, stirring frequently for about 6 minutes until it is browned, put in a small bowl and set aside.
In a large Dutch oven or stew pot over medium-high heat, sauté onions, bell pepper, celery and garlic until tender.
Slowly whisk 1 can of beef broth into browned flour. Add this mixture, the other can of broth, 1 cup of water and spice mix to your Dutch oven or stew pot. Stir in okra. Bring a boil, then reduce heat and let simmer for 15 minutes.
Add shrimp and cook for 2-3 minutes until shrimp is pink, then gently stir in crab meat. Serve with rice and garnish with scallions.
Shem Creek offers waterfront activities, picturesque views of its marshes and the Charleston Harbor, a boardwalk, as well as a park and many restaurants. Dive in and read about this Mount Pleasant, SC gem and all of the yummy treats it has to offer.