In a medium bowl, stir the sour cream, parsley, dill, and mint together to combine. Top each blini with 1 teaspoon of the sour cream. Divide the caviar evenly between the blini, on top of the sour cream.
Top each with a pinch of chives, and serve immediately.
I always have three kinds of hot sauce in my purse. I have a soft spot for making people their favorite dessert, especially if it's wrapped in a pastry crust. My newest cookbook, The Book on Pie, came out on November 10th, 2020, and my pie merch collaboration with Food52 is out now too: https://food52.com/shop/merchants/manifest-food52/food52-x-erin-mcdowell