Combine chopped beets, red wine vinegar, cassis, honey, salt and pepper. Mix until all ingredients are combined, and set aside.
In a blender, cream the avocado, lemon juice and water until smooth. Add salt and pepper to taste. Keep aside.
Peel and core the apple, then cut into small pieces. Place in pot with apple juice and cook until soft. Puree in the blender until smooth. Keep aside.
Preheat the oven to 375°F. Cream butter and sugar and stir in flour to form a smooth dough. Spread on a silpat and bake for approximately 12 minutes. Remove from oven and top with pistachios. Once cooled, put “cookies” into a food processor and pulse until crumbly. Keep aside.
Using a flat spatula, spread a thin layer of beet tartar on the bottom of a round plate. Arrange avocado cream, apple puree, pistachio croquant, diced shallots, chopped capers, wasabi, and candied beets in small piles around the outside rim of the tartar. Place the raw quail egg yolk in the center.