Make Ahead Tips: This buttercream can be made ahead and stored in an airtight container in the refrigerator for up to two weeks. When you’re ready to use it, bring it back to room temperature and re-whip in your stand mixer to bring back to smooth buttercream consistency. To Make It Vegan: substitute an equal amount of vegan butter (I love Earth Balance Sticks) for the unsalted butter, use 1 Tbsp dairy-free milk instead of 2 Tbsp whole milk (my favorite is unsweetened coconut milk), and om...
