Dulce de Leche Buttercream

Why I Love This Recipe
Ingredients You'll Need
1 (14-ounce) can sweetened condensed milk
2 egg yolks
3/4-cup sugar
3 Tablespoons cornstarch
1/4-teaspoon salt
1/4-cup water
1-teaspoon vanilla
14 Tablespoons unsalted butter, softened to room temperature
1 cup powdered sugar