In a tagine dish or cast iron pot, simmer the meat and tomatoes, previously cut into pieces, for 30 min over low heat with olive oil.
Peel and mince the garlic and onion.
Remove the skin from the pumpkin and cut it into pieces. Brown it with the garlic and the onion in a sauté pan with a little butter and olive oil, for 5 min.
At the end of 30 minutes of simmering, add the pumpkin, garlic, onion and pepper to the pot and cook again for 30 minutes.
Before serving, add turmeric and aromatic herbs.