If I had a photo, I would most certainly use it. That is... unless the photo I have sucks. For now, you'll just have to picture a big heaping helping of
Heat oil in a large skillet, add the onion and let soften, 3-4 minutes
Put in the garlic, and when fragrant add the chili powder, oregano, cinnamon and all-spice - stirring everything well to allow the spices to toast a bit
Pour in the beef broth, the chocolate, the tomato paste and sauce, the vinegar, the sugar and finally the Worcestershire - stir everything really well to combine
Add the ground beef, stirring and breaking it up as you go
When its well combined, bring to a boil, then turn down and simmer about 45 minutes, until the liquid has gone and it’s thickened