Tip 1: Just Whisk it, till it becomes draw
Tip 2: Add potash when you're about to put the leaves. When done then you whisk it.
Tip 3: Don't add salt at all till you finish whisking and till it becomes as draw as you desire.
Tip 4: Grind ewedu with stone or use blender, then cook in little quantity of water with or without salt. The less water you put the more chances it will draw quickly.