
Brown Sugar Fudge Thumbprint Cookies
Soft brown-sugar thumbprint cookies filled with smooth chocolate fudge after baking.
Ingredients
Equipment
Method
Make the Cookie Dough
- Preheat the oven. Heat to 350°F / 175°C and line baking sheets with parchment paper.
- Cream the margarine and sugar. Beat the softened margarine and brown sugar for about 2-3 minutes, until creamy and evenly blended.
- Add egg and vanilla. Beat in the egg and vanilla until smooth.
- Add the water. Mix in the 2 Tbsp + 2 tsp water.
- Add flour and salt. Add gradually and mix only until a smooth dough forms.
- Check the texture. The dough should be soft, smooth, easy to roll, and firm enough to hold a thumbprint without being sticky.
Shape the Thumbprints
- Divide. Portion the dough into about 48 pieces, roughly 1 heaping Tbsp / about 27 g each.
- Roll. Shape each portion into a smooth ball.
- Arrange. Place about 2 inches apart on the prepared baking sheets.
- Indent. Use your thumb or the rounded back of a 1/2-teaspoon measuring spoon to press a fairly deep center into each ball.
- Do not pierce the bottom. Press deeply enough to create a cup, but not all the way through.
Bake and Re-Indent
- Bake. Bake for 10 minutes.
- Work immediately. As soon as the tray comes out, re-indent every cookie while it is still hot.
- Use the same tool. Press gently with the rounded measuring spoon to reopen the center.
- Cool on the tray. Let the cookies sit for about 5 minutes.
- Transfer. Move to a cooling rack and cool completely before filling.
Make the Chocolate Fudge
- Melt the chocolate. Place the chocolate chips in a microwave-safe bowl and microwave in 20-second intervals, stirring between each, until almost fully melted.
- Add the remaining ingredients. Stir in the margarine, corn syrup, water, and vanilla.
- Finish gently. Stir until completely smooth and glossy. If needed, microwave another 10-15 seconds to finish melting.
- Check the texture. The fudge should be smooth, thick, glossy, soft enough to pipe, and firm enough to stay inside the thumbprint.
Optional Confectioners’ Sugar
- Add confectioners’ sugar only if the fudge is too loose for piping. Start with 2 Tbsp. If needed, add another tablespoon at a time, up to about 1/4 cup total. If the fudge already holds its shape, do not add any.
Fill the Cookies
- Cool first. Make sure the cookies are completely cool.
- Choose a method. Spoon the fudge into each center or transfer it to a piping bag. A star tip makes a decorative finish.
- Fill. Add enough fudge to fill the thumbprint neatly without overflowing.
- Set. Let the fudge firm before stacking or storing.
- Protect the centers. For clean stacking, chill or freeze the cookies in a single layer until the fudge is firm.
Notes
Make Ahead, Storage & Freezing
- Room temperature: Once the fudge is fully set, store airtight for about 3-4 days.
- Refrigerator: Up to about 1 week.
- Freezer: Freeze in a single layer until firm, then place parchment between layers and store airtight for up to 3 months. Thaw at room temperature before serving.


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