1 lb lean ground beef Kosher salt and black pepper, to taste 1 tablespoon olive oil 1 yellow onion, chopped 1 red bell pepper, seeded, stemmed, and chopped 1 green bell pepper, seeded, stemmed, and chopped 4 cloves garlic, minced 2 (14.5 oz) cans fire roasted tomatoes 15 oz tomato sauce 2 cups beef broth…