Mini Blueberry-Lavender Cornmeal Cream Tarts

INGREDIENTS

1 cup

Blueberries or huckleberries, fresh wild or regular

1 1/2 tsp

Lavender, fresh or dried

Egg yolk, large

1 cup

All-purpose flour

1/4 cup

Cornmeal, finely ground

1/2 tsp

Salt, coarse

3 1/2 tbsp

Sugar

1/4

Vanilla bean

2 tbsp

Ice water

1 cup

Heavy cream

1 stick

Plus 2 tablespoons cold unsalted butter, cut into small pieces