7 oz frozen chopped onions (2 cups)
3 pounds raw, lean beef brisket, trimmed, boneless, cut into 1-inch pieces
2 large garlic cloves,minced
2 medium sweet potatoes, peeled and cut into bite-size chunks- 1/2 pound baby carrots, cut in half if large- 8 small uncooked new potatoes, cut in half (unpeeled)
16 prunes, pitted
4 tbsp fresh lemon juice, divided (from 2 small lemons)
5 tsp honey, divided
1 1/2 tsp Kosher salt
1/2 tsp black pepper
1/4 tsp ground cinnamon
1 cup beef broth