Preheat oven to 375°F.
Mix the whole-wheat flour with salt, pepper, and cumin. Roll the beef or turkey cubes in the mixture. Shake off excess flour.
In a large skillet, heat olive oil over medium-high heat. Add beef or turkey cubes and sauté until nicely brown, about 7 to 10 minutes.
Place beef or turkey in an ovenproof casserole dish.
Add minced garlic, onions, celery, and peppers to skillet and cook until vegetables are tender, about 5 minutes.
Stir in tomato and broth. Bring t o a boil and pour over turkey or beef in casserole dish. Cover dish tightly and bake for 1 hour at 375°F.
Remove from oven and stir in potatoes, carrots, and peas. Bake for another 20 to 25 minutes or until tender.