Not Too Sweet Vanilla Buttercream. You can continue to add the sugar until you reach the desired consistency. Replace half the butter with cream cheese.
Beat butter and cream cheese until creamy. Sounds simple doesnt it but it really is that easy. Takes 10 minutes to make and is fool-proof.
Slowly add powdered sugar about 12 cup at a time.
Less Sweet Buttercream Frosting. Continue adding sugar slowly until it is at the sweetness you prefer. Sounds simple doesnt it but it really is that easy. Over-whipping vanilla buttercream creates air bubbles.