Beef with Spicy Cocoa Gravy

Ingredients

• 1 tbsp unsweetened cocoa
• 1 tbsp ground coriander
• 1 1/2 tsp garlic powder
• 1 1/2 tsp ground cumin
• 1 1/2 tsp ancho chile powder
• 1 1/2 tsp paprika
• 1 1/2 tsp dried oregano
• 1/8 tsp ground cinnamon
• 1 1/2 pounds top round steak, trimmed and cut into 1-inch cubes
• 1/2 cup all-purpose flour (about 2 1/4 ounces)
• 1 tbsp olive oil
• 1/2 cup chopped onion
• 1/2 cup chopped green bell pepper
• 1/2 cup dry red wine
• 1 (14.5-ounce) can diced organic fire-roasted tomatoes, undrained (such as Muir Glen)
• 2 cups fat-free, less-sodium beef broth
• 1 tsp salt
• 1/8 tsp freshly ground black pepper
• Fresh oregano (optional)