The word "topping" is perfectly correct and usable in written English.
It can be used as a noun to refer to an item used to put on top of a food item, such as a topping on a pizza or a topping on a cupcake. For example, "She added a sprinkle of nuts as a topping to her cupcake."
The cherry on top of the cake (OK, doughnut) is a sea salt honeycomb shard topping, a perfect foil to the rich filling.
For the topping, heat a small saucepan of water and place a bowl on top.
Can we entice you with our Cool Blue Ocean Acidifier with a topping of crumbled reef coral?
All four main party leaders were re-elected, topping the polls in their constituencies.
The pintxos – most of which involve a bread base plus topping – are lined up on the bar so diners can take a look, give their selection to the staff, and wait for their chosen titbits to arrive.
The maximum amount that can be put into the Isa and boosted is £12,000, with the government's payment topping this up to £15,000.
Maybe he felt a bit of that too, starting the match against table-topping Yorkshire with just three first class wickets in his previous three matches for his new employers.
And as motorists sounded their car horns in an impromptu chorus, Sturgeon affected modesty at the critical applause and poll-topping ratings her performance achieved.
London Grammar, who were only formed last year, received a major boost with an appearance on Disclosure's chart-topping LP, Settle.
His chart-topping soundtrack to the film Ill Manors leads the nominations for the 2012 Mercury prize, standing out among the indie bands and singer-songwriters dominating this year's shortlist.
The resurgence of St George Illawarra under the coaching of Paul McGregor continued with the Dragons seeing off table-topping Brisbane 12-10 at Kogarah Oval.
