Spray a Dutch oven with cooking spray and place over medium-high heat. Add ground beef and cook until mostly browned, using a wooden spoon to break ground beef up as it cooks. Add onion, carrots, and celery and cook until softened, about 5 minutes. Add garlic and cook 1 more minute.
Add broth and tomatoes and simmer for 20 minutes. During the last 6-8 minutes, add pasta, lima beans. collard greens, oregano, and tabasco sauce. Season to taste with salt and pepper.
This recipe originally appeared on spicysouthernkitchen.com