Zucchini diced it, i tbsp butter put in the pan

Heat the butter in the pan and add the corn starch / flour. Sauté till it mix well and become a mixture

Add diced zucchini into the pan. Stir well

Add 1 litre hot water, add salt & black pepper. Let it boiled till zuchhini become softer. I put my wooden spoon on top so the water won't spill

Puree it with hand blender

Ready to serve, you can eat it with bread