Meltaway Strawberry Jam Thumbprint Cookies

Introduction
Soft, buttery, and filled with sweet strawberry jam, these cookies are the kind that simply melt in your mouth. With a delicate texture thanks to cornstarch and a hint of vanilla, they’re perfect with a cup of tea, as a holiday gift, or just because. A touch of jam in the center makes them not only delicious but charmingly nostalgic.

Ingredients
125g unsalted butter, softened

Pinch of salt

100g sugar

8g vanilla sugar (or 1 tsp vanilla extract)

40ml neutral oil (like sunflower or canola)

1 egg white

30g cornstarch

320g all-purpose flour

4g baking powder (about 1 tsp)

Strawberry jam (for filling)

How to Make
Cream the Butter and Sugars: