This Is The Frosting I’ll Be Using for All My Holiday BakingThe Secret to Bright White Buttercream Might Already Be in Your PantryHow to Make Creme Fraiche Frosting (the Best Frosting You Haven't Tried Yet)A trio of lemon curd, lemon zest and lemon juice make this the best and brightest lemon buttercream frosting ever. Lemon curd: Lemon curd is our secret to the best lemon buttercream frosting. How to Store Lemon Buttercream FrostingStore leftover lemon buttercream frosting in an airtight container in the fridge for up to one week. Lemon Buttercream Frosting TipsMark Derse for Taste of HomeHow do you use lemon buttercream frosting? Use lemon buttercream frosting to frost cakes and cupcakes that are flavored with vanilla, strawberry, blueberry, lavender or lemon.