Add the yolks to a bowl and add the beet puree, mustard, Sriracha, paprika, salt and pepper. Whisk the mixture until creamy - if you need, you can add a bit of water or more mustard in case it’s too dry.
¼ cup beet puree, 2 tablespoons mustard, 1 tablespoon Sriracha, 1 teaspoon paprika, Salt and pepper