Bicarb soda: 1/2 cup
Detergent for kitchen purpose: 2 TBSP
Vinegar: 2 TBSP
1. Mix Bicarb soda, the detergent for kitchen purpose and vinegar together.
Apply the mixture on the affected area of cooktops, let it sit for 10 mins.
2. When the stains come off, use spatula to wipe it off, then wipe off again with wet towel to polish.