Soft chewy cookies with white chocolate and pockets of raspberry. Sixteen cookies.

Work fast once the raspberries go in

Which the recipe flags and which is the whole difficulty here.

Frozen raspberries begin thawing the moment they meet room temperature dough. As they thaw they release juice, and that juice turns the dough wet, streaks it pink and makes scooping messy.

Fold them in last, scoop immediately, and get the tray into the oven. Having the sheet lined and the oven at temperature before you start is what makes this manageable.

If the dough does get wet, a few minutes in the fridge firms it enough to scoop.

Keep them frozen until the last moment

Half a cup.

Do not thaw them, and do not measure them out early to sit on the counter. Straight from the freezer into the bowl.

Frozen berries also hold their shape through folding. Thawed ones collapse into pulp and you lose the distinct pockets entirely.

Melted butter, not creamed

Three quarters of a cup.

This is why the cookies are chewy rather than cakey. Creaming butter with sugar builds air and gives a lighter, more cake-like crumb; melted butter skips that and gives a denser, chewier one.

It also means no mixer is needed. A bowl and a spatula covers the whole recipe.

Let it cool slightly before the egg goes in, or it starts cooking it.

An extra yolk

One whole egg plus one yolk.

Yolk is fat and emulsifier without the water that white brings. The extra one enriches the dough and adds to the chew, which is a common trick in cookies built for that texture.

Use the leftover white in something else rather than adding it.

Do not overmix

Which the method says twice, at the flour stage and again at the chocolate.

Mix until no streaks of flour remain and stop. Worked further, the gluten develops and the cookies turn tough rather than tender.

The chocolate gets folded rather than beaten in, for the same reason.

Brown sugar carries the dough

A full cup, against only a quarter cup of granulated.

Brown sugar holds moisture and it contains molasses, both of which contribute to a chewy cookie. A dough weighted the other way would be crisper and paler.

Pack it into the cup. Loosely measured brown sugar can be a third short by weight.

Twelve minutes and slightly underdone

Until the edges are golden and the centres have puffed but still look underbaked.

That is the correct read. Cookies continue setting on the hot tray after they come out, and one that looks done in the oven is dry by the time it cools.

Golden edges plus a soft centre is the pair of cues.

A one ounce scoop, two inches apart

Which gives sixteen.

Consistent size matters in a twelve minute bake, since a cookie half again as large will still be raw when its neighbours are done.

Two inches allows for spread. These are melted-butter cookies and they spread more than a creamed dough would.

Cool before eating

Which the method ends on.

Raspberry pockets are extremely hot straight from the oven, hotter than the cookie around them, since fruit holds heat. They also need a few minutes to stop being molten.

The cookie is fragile while warm too. Ten minutes on the tray is sensible.

White chocolate specifically

A cup of chips.

White chocolate is sweeter and more buttery than dark, and against tart raspberry that contrast is the point of the combination. Dark chocolate would compete with the fruit rather than balancing it.

Fresh raspberries

The recipe is built on frozen and that is deliberate. Fresh raspberries are far more fragile and collapse into the dough as you fold, streaking it and adding moisture. Freeze fresh ones solid first if that is all you have.

Storing

Three days at room temperature in an airtight container. They soften over time as the raspberry moisture migrates into the crumb.