4cupschopped sweet potatoescut into 1 inch pieces.
Combine all the spices, salt and pepper in a small bowl and set aside.
Heat olive oil in a large pot and cook onions, peppers and carrots until the onions begin to turn translucent. Add garlic and ground meat. Continue to cook, breaking up meat with a wooden spoon or potato masher, until meat is completely browned,
Add in reserved spices and tomato paste and stir to combine. Cook 1 minute, stirring constantly.
Add in sweet potatoes, crushed tomatoes and broth. Stir to combine. Bring mixture to a boil, then reduce heat and cover and simmer for 30 minutes, until sweet potatoes have softened. Correct seasonings as needed.
Top with avocado slices and fresh cilantro if desired.