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Chocolate cookie cake with chocolate chips, peanuts, and piloncillo for a soft center and crisp edges.
This cookie cake is baked in one pan and uses several sugars, chocolate chips, and peanuts for a soft center with firmer edges. Piloncillo adds a darker caramel note than standard white sugar alone.
The dough stays softer in the middle if you keep the first bake slightly shorter. Adding the second layer of chocolate chips and peanuts near the end keeps the topping more distinct.
Slice and serve warm or at room temperature. The cake can also be used as a base for a frosted cookie-cake style dessert if you want a celebration version.
This style of cookie cake is best when the edges are set but the center still looks slightly underbaked. Residual heat finishes the middle as the pan cools, which keeps the crumb soft rather than dry. If you prefer a firmer bar-style result, bake a little longer and cool completely before slicing.
The finished cake keeps well for a few days wrapped at room temperature, and slices can be reheated briefly if you want the chocolate to soften again. It also adapts well to different nuts or chocolate ratios, but keeping at least one darker chocolate element helps balance the sweeter dough and piloncillo notes.
If you plan to decorate it, wait until the cake is fully cool so any frosting or ganache stays distinct from the crumb. It is also sturdy enough to serve in wedges on a dessert board, where the soft center contrasts nicely with firmer edge pieces.
Chocolate cookie cake with chocolate chips, peanuts, and piloncillo for a soft center and crisp edges.

Do not overmix the dough after adding the flour to keep the texture soft.
For a gooier centre, reduce the first bake by 2 minutes.
Add a pinch of cinnamon to complement the piloncillo.
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Cream the butter, brown sugar, superfine sugar and piloncillo until light and smooth.
Add the eggs one at a time and mix until incorporated.
Add flour and fleur de sel, mixing just until combined.
Fold in the chocolate chips (first portion).
Preheat oven to 165°C (330°F).
Press the cookie dough into a greased round baking pan.
Bake for 15 minutes.
Remove from the oven, scatter chocolate chips (second portion) and peanuts on top.
Return to the oven and bake for an additional 3 minutes.
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Serving Size: 1 slice
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
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