Cassava Leaf Stew/Sauce a recipe from Sierra Leone

Name: Cassava Leaf Stew/Sauce a recipe from Sierra Leone
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Ingredients: 1 lb. beef (boneless cut into bite sized cubes); 1 Tablespoon oil; 2 onions peeled and roughly chopped (divided); 2 stock cubes divided Maggi; 3 cups of water divided; 2 medium eggplants peeled and roughly chopped; 3 Tablespoons dried smoked fish flakes or 3 tbsp crayfish powder; Scotch bonnet or other chilli to your heat tolerance; 5 Tablespoon peanut butter smooth; 3/4 cup palm oil; 1 lb. pounded cassava leaves; salt and pepper to taste