The Best Stiff Buttercream frosting for cake decorating Pipping Buttercream Flowers

Unsalted Butter - 456 grams  (4 sticks) room temperature

Powder Sugar / Confectioners Sugar - 1 kg (2.2 lbs)

Cornstarch/Cornflour or pudding mix -

Whipping Cream - 1/4 cup (plus extra for consistency)

Clear Vanilla Extract - 1 tsp

Clear Almond Extract -

Salt -