Take a microwave safe bowl and fill it with water. Add a dash of vinegar. Set it in inside and turn the microwave on for 5 minutes. The water will turn to steam and the steam will soften up all the gunk. The vinegar helps to absorb the smells.
Doing the laundry is one of the most hated chores, as it is exhausting, boring, and it takes a lot of effort to remove some stains. In addition to this, finding an effective and cheap detergent is real challenge.