BBQ Gumbo with leftover Brisket

6 ts butter
2 lg onions chopped
2 lg green peppers chopped
1/2 bn celery chopped
Salt and pepper
1/2 ts garlic powder
4 lb barbecued meat scraps
2 cn (28 oz) crushed tomatoes
3 c chicken stock
8 oz frozen cut okra
2 ts red pepper flakes
3 ts Worcestershire sauce
Louisiana hot sauce

Melt butter med heat add onions, peppers and celery. Cook until soft (20 min). Add garlic powder and salt, pepper. Increase heat to high add 1 cup water, meat , tomatoes, stock, bring to boil and simmer until meat fork tender (30 min) Add okra, red pepper, W. sauce and 1 Tsp hot sauce (more if you like). Cook until gumbo has thickened, about 15 min. Serve with rice.