Heat a large pot over medium-high heat.
Add diced beef and brown on all sides.
Remove beef and set aside.
Add chopped onion and garlic to the pot, sauté until translucent.
Stir in chili powder, cumin, and oregano; cook for 1 minute.
Add crushed tomatoes and beef broth to the pot.
Return the browned beef to the pot.
Season with salt and pepper.
Bring to a boil, then reduce heat to low.
Simmer uncovered for about 2 hours, stirring occasionally.