Vietnamese Coffee Marble Cookies101
Ingredients
| 208g | AP flour |
| 2g | baking powder |
| 2.5g | baking soda |
| 1.5g | salt |
| 113g | unsalted butter, softened |
| 200g | granulated sugar |
| 1 | large egg |
| 9g | vanilla extract |
| 12g | espresso powder |
| 20g | sweetened condensed milk |
| 100g | granulated sugar, for rolling |
Steps
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Preheat oven to 350°F. Line baking sheets with parchment.
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Whisk together flour, baking powder, baking soda, and salt. Set aside.
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Cream the softened butter and 200g sugar until light and fluffy, 2–3 minutes. Beat in the egg and vanilla until smooth.
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Gradually add the dry ingredients, mixing just until combined. Do not overmix.
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Divide the dough: ⅔ into one bowl, ⅓ into another. Mix the espresso powder into the larger (⅔) portion until evenly colored. Mix the condensed milk into the smaller (⅓) portion.
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For each cookie, take about 2 tablespoons of coffee dough and 1 tablespoon of condensed-milk dough. Gently press together and roll into a ball (~50g). Don’t overwork — you want visible marbling.
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Roll each ball in the 100g rolling sugar to coat. Space well apart on the sheets.
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Bake 12–14 minutes until the edges are lightly golden. Cool on the sheet a few minutes, then transfer to a rack.
Analysis
Total batter weight: 618g (dough; the 100g sugar coating is excluded — see below)
| Component | Amount | % |
|---|---|---|
| Structure solids (flour) | 208g | 33.7% |
| Fat (butter, egg) | 98g | 15.9% |
| Sugar (granulated + condensed milk) | 215g | 34.8% |
| Liquid (vanilla, butter water, egg water, condensed milk water) | 71g | 11.5% |
| Egg/protein | 26g | 4.2% |
A creamed drop cookie built to spread flat: high sugar (35%) plus both baking soda and powder drive the spread, while moderate fat (16%) and 34% structure give a thin, crisp-edged round with a chewy middle. The 100g rolling sugar is a finishing coat, not dough — excluded here so the denominator stays the actual batter. To make them thicker, the notes cut the soda and add cornstarch.
Notes
- A creamed drop cookie, so it bakes into a thin, crisp-edged round with a slightly chewy center — flat is the intended result. The sugar coating gives a crackly crust.
- The espresso flavor is bold at 12g. For a gentler coffee note start at 8g. Vietnamese instant coffee (Vinacafé, G7) gives a maltier, more authentic flavor than espresso powder.
- Marble effect: the less you combine the two doughs, the bolder the swirl. A couple of presses is enough.
- Cookies spreading too thin? Chill the rolled, sugar-coated balls 30 minutes before baking and make sure the butter was softened but not melted. Overmixing also makes them tough and flat.
- Want them thicker and cakier: drop the baking soda, keep only the baking powder, add 10g cornstarch, scoop taller, and bake at 375°F so the edges set before they spread.
- Add a tablespoon of cocoa to the coffee dough for a mocha version. A pinch of cinnamon is nice in autumn.
- Store airtight at room temperature up to 5 days; a slice of bread in the container keeps them soft. Dough freezes up to 2 months — bake shaped balls from frozen, adding a few minutes.