INGREDIENTS
1 6 ounce container
Blueberries
2 tsp
Lemon, zest
3
Egg yolks
1/3 cup
Lemon juice, fresh
1/4 cup
Cornstarch
1 1/16 cups
Granulated sugar
1/4 tsp
Salt
1 tsp
Vanilla extract, pure
15
Butter cookies
1 tbsp
Butter, unsalted
3 1/2 cups
Whole milk