Please choose the correct solution to the question: What do I do once my egg whites are foamy when making pavlova cookies?

Solution1: When the egg whites are foamy, gradually add the fine sugar and beat until sugar is completely dissolved, scraping the sides of the bowl with a rotary beater as needed

Solution2: When the egg whites are foamy, gradually add the fine sugar and beat until sugar is completely dissolved, scraping the sides of the bowl with a spatula as needed

Answer format: solution1/solution2