Makes: 8 servings at $1.43 each. Prep: 10 minutes. Cook: 2 hours 10 minutes.
Sauté beef in oil in 4-quart pot until meat changes color but doesn't brown, 8 to 10 minutes.
Combine chili powder, cumin and flour in cup. Add with garlic to beef; stir to coat meat. Add oregano.
Combine broth and water in bowl. Add 1-1/2 cups broth mixture and pepper to meat. Simmer, partially covered, 1-1/2 hours, stirring.
Add remaining broth mixture to meat; simmer, partially covered, 30 minutes or until meat is very tender.
Add beans; heat through. Garnish with sour cream and lime.