Cumin Ginger Pilaf with Beef

Name: Cumin Ginger Pilaf with Beef
Ingredients: 1 pound boneless beef ribs; 1 small onion, diced; 2 medium carrots, diced; 1 head of garlic, cut if half crosswise; 1 8 - ounce can garbanzo beans (chickpeas), drained; 2 cups beef stock; 1 teaspoon fresh ground black pepper; 1 1/2 teaspoons fine sea salt; 1/2 teaspoon paprika; 1/2 teaspoon coriander seeds; 1 teaspoon cumin seeds; 1 teaspoon fresh ground ginger; 1/4 cup dried barberries; 1 cup Calrose rice; Sour cream, fresh heirloom tomatoes for serving