Louisiana BBQ Shrimp

Seafood

2 cups ketchup
1 cup water
1/2 cup cider vinegar
3/4 cup sugar
2 each garlic; cloves, minced
1/2 cup onion; minced
1/2 cup celery; diced
1/4 cup parsley; minced
1 each juice and rind of 1 lemon
1/4 teaspoon hot pepper sauce
1 1/2 tablespoons Worcestershire sauce
1/2 teaspoon basil; ground
1/2 teaspoon oregano; ground
1/2 teaspoon cinnamon
1 tablespoon bacon fat
5 pounds shrimp; peeled and deveined
salt to taste

Combine all except shrimp. Cook, stirring frequently 35-50 minutes. Allow to cool. Refrigerate sauce 1 week to allow flavors to truly blend. Marinate shrimp in sauce a minimum of 1 hour. Arrange shrimp on barbequing skewers. Barbeque, basting every minute with left over sauce. Should be done in about 5 minutes. Shrimp are done when the flesh turns from pink to white. Do not overcook!