"1. Combine yeast, sugar, water and milk in a large bowl. Let sit until foamy, 5 to 10 minutes.
"2. Mix in butter, egg, and vanilla. Stir in flour and Diamond Crystal(R) Kosher Salt and mix until dough comes together; you may need additional flour. Knead until smooth and elastic, 8 to 10 minutes. Place dough in an oiled bowl; cover with a cloth and set in a warm place to rise until doubled, 1 1/2 to 2 hours.
"3. Spray two 9-inch cake pans liberally with cooking spray.
"4. For the caramel sauce, combine 1/2 cup butter and 1 cup dark brown sugar in a small saucepan over medium heat. Cook until sugar dissolves in the butter. Stir in the heavy cream and --" [dies suddenly from instantaneous explosive gastrointestinal combustion]