These deliciously fudgy keto brownies are made with dark chocolate, almond flour, and cocoa powder. Only 125 calories and 2 grams of net carbs in each indulgent square!
Preheat the oven to 325°F. Generously butter a square 8-inch glass or ceramic baking dish (they can stick to a metal pan).
In a large microwave-safe bowl, melt the butter and chocolate in two 30-second sessions, stirring after each session. Microwave just until the chocolate is almost melted, and then stir to melt it completely. Chocolate burns easily.
Allow the mixture to slightly cool, then whisk in the eggs and stevia.
Whisk in the almond flour, followed by the cocoa powder. Finally, use a rubber spatula to mix in the salt and baking powder.
Using the same rubber spatula, transfer the mixture to the prepared baking dish, spreading it evenly. Smooth the top out with the spatula.
Bake until just set, for 15-20 minutes. A toothpick inserted in the center should come out with a few moist crumbs, not completely wet or dry.
Cool the cake completely in the pan on a wire rack for about an hour. Cut it into 16 squares and serve. Better yet, refrigerate it for 2 hours or overnight for a significantly fudgier texture.
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Notes
These brownies taste significantly better and become fudgier the next day, so I recommend making them ahead of time. At a minimum, refrigerate them for 2 hours.
I use Dutch-processed cocoa powder (cocoa treated with alkali). It's milder, darker, and - most importantly - less acidic than natural cocoa powder. But natural cocoa powder is OK if that's all you have.
Please measure your dry ingredients (almond flour and cocoa powder) by weight.
Once completely cool, you can keep these brownies in an airtight container in the fridge for up to a week. Take them out of the fridge at least an hour before enjoying them.
You can also freeze the cooled brownies in freezer bags for up to three months, separating layers with wax paper. Thaw them overnight in the fridge, and remember to remove them to the counter to let them reach room temperature before you eat them.