Dry sugar, sugar syrup, milk, tomato spills, melted plastic film, foil. First, remove any cooking pans and utensils and turn off the cooktop. Wearing an oven mitt, hold scraper at a 30° angle, being careful to not gouge or scratch the glass. Use smooth, shallow movements - do not chip or stab the surface. Push the loosened soil off the heated area with the scraper. After the cooktop surface has cooled, remove the loosened soil and apply glass ceramic cooktop cleaning cream as noted above.