Prep Time 45 minutes mins
Cook Time 10 minutes mins
Total Time 55 minutes mins
If you do not have buttermilk on hand, you can add 1 Tbsp. of lemon juice or vinegar to 1 cup of milk. Stir well and let sit for 15 minutes. You can use this for a buttermilk substitute.
Keyword buttercream, chocolate, cookie, filled cookie, picnic, potluck, sandwich cookie, sweet treat, whoopie pies