re: Question about meringue buttercream

You should also consider flour icing Simmz. Easy to make, all ingredients readily available, much less fuss, and it tastes every bit as good as SMBC.
leelabeanbakes.com/blog/frosting-filling/even-better-cooked-flour-frosting/

Creativity is God's gift to us. Using our creativity is our gift back to God. Clarky's Cakes 😎