The best way to prepare garlic and to wash dishes is as follows:

For garlic take the clove and cut in half lengthwise and remove skin easily cut again into quarters if needed.
Stubborn dishes... fill the saucepan with water and put on the burner ...prepare other things whilst the saucepan heats up....when the water has boiled for.a little bit get some tongs and an absorbent paper towel and remove stuck on food.