Add brown sugar and granulated sugar to brown butter and mix with a stand or handheld electric mixer on medium speed for 2 - 3 minutes or until fully combined and creamy in texture. (foodfanatic.com)
Beat egg yolks, Marsala, and remaining 1/2 cup sugar in a metal bowl set over a saucepan of barely simmering water using a whisk or handheld electric mixer until tripled in volume, 5 to 8 minutes. (bestcoffee-beans.com)
To make the cheesecake, place the cream cheese, sugar, salt, and vanilla in the bowl of a stand mixer (or use a large bowl if using a handheld electric mixer) and use the paddle attachment to beat it all together until smooth and combined, about 2 minutes, scraping the sides and bottom of the bowl a few times to make sure it's super incorporated. (witandvinegar.com)