1. Heat oil and brown beef brisket.
2. Remove meat and pour off drippings.
3. Add onion to pan, cook and stir 5 minutes or until tender.
4. Add 1/2 cup water to pan.
5. Return meat to pan, bring to a boil.
6. Reduce heat, cover tightly and simmer 2-3 hours.
7. Check that it is not drying out, if so, add some more water.
8. Add carrots, brown sugar, lemon juice, salt, cinnamon and pepper.
9. Continue cooking, covered, 30 to 45 minutes or until brisket is fork-tender.
10. Add prunes, cook, uncovered, over medium-high heat 5 minutes or until liquid is reduced and prunes are plumped.