Ground Beef Stuffed Peppers with Currants

Name: Ground Beef Stuffed Peppers with Currants
Ingredients: 1 8- to 10-ounce bag microwavable brown rice or 1 2/3 cups cooked brown rice; 4 medium-to-large bell peppers, tops cut off and seeded; 1 pound lean (90% or leaner) ground beef; 4 cloves garlic, minced; ½ cup currants; 2 teaspoons ground cumin; 1 teaspoon ground cinnamon; 2 ½ cups low-sodium vegetable juice, such as V8, divided; ¼ cup chopped fresh mint, plus more for garnish; 1 teaspoon freshly grated orange zest; ¾ teaspoon salt; ¼ teaspoon freshly ground pepper