Heat vegetable oil over medium heat. Add onions and sautee for 5-6 minutes.
Add garlic to the sauteed onions for 2 minutes.
Add chopped tomatoes and cook down for 10 minutes.
Crumble and add the seasoning cube to the pot.
Add the collard greens and cabbage.
Cover the pot and cook down for 15 minutes.
Add the smoked turkey to the pot and continue to cook until the greens are tender (approx 45 min).
Finish the dish with palm oil and heat until melted (optional). Add any additional salt needed to taste.