Flour Buttercream Chocolate version for people with egg allergy | Meringue buttercream substitute

Flour vanilla buttercream recipe [Ingredients] 1 tsp = 5 ml, 1 Tbsp = 15 ml, 1 cup = 240 ml 330 g (1 and 2/3 cups) granulated sugar 70 g (1/2 cup 1 Tbsp) all purpose flour 60 g (1/2 cup) unsweetened cocoa powder 330 g (320 ml) whole milk 450 g (2 cups) unsalted butter 2 tsp vanilla extract 1/4 tsp salt #Ermine_frosting #Ermine_buttercream