Barbecued Beef Chili

Ingredients

• 7 tsp. chili powder
• 1 Tbsp. garlic powder
• 2 tsp. celery seed
• 1 tsp. coarsely ground pepper
• 1/4 to 1/2 tsp. cayenne pepper
• 1 fresh beef brisket (3 to 4 lb.)
• 1 medium green pepper, chopped
• 1 small onion, chopped
• 1 (12 oz.) bottle chili sauce
• 1 c. ketchup
• 1/2 c. barbecue sauce
• 1/3 c. packed brown sugar
• 1/4 c. cider vinegar
• 1/4 c. Worcestershire sauce
• 1 tsp. ground mustard
• 1 (15 1/2 oz.) can hot chili beans
• 1 (15 1/2 oz.) can Great Northern beans, rinsed and drained