This is a favorite around my house.

11/2	lb.	roast - chopped
11/2	c.	chopped onion
11/2	c.	chopped green peppers
1	can	tomato paste (6 oz.)
1/4	c.	brown sugar, firmly packed
1/8	c.	dark vinegar
1	tbsp.	chili powder
1	tsp.	salt
1	tsp.	Worcestershire sauce
1/2	tsp.	dry mustard

Set Crockery Pot on high. Add ingredients one at a time in order beginning with roast. Do not mix or stir. After 1 hour, turn to low and cook 8 to 10 hours. Stir occasionally for last hour. Shred and serve on warmed buns.