Brookies – Half‑cookie Half‑brownie Cake
Brookies – Half‑cookie Half‑brownie Cake is a medium French recipe that serves 9. 350 calories per serving. Recipe by Once Upon a Time in Pastry on YouTube.
Prep: 37 min | Cook: 25 min | Total: 1 hr 12 min
Cost: $20.76 total, $2.31 per serving
Ingredients
- 2 units Egg (Medium‑size eggs, at room temperature)
- 100 g Brown sugar (Unrefined brown sugar)
- 50 g White sugar (Fine granulated sugar)
- 150 g Melted salted butter (Divided in two: 75 g for the cookie, 75 g for the brownie)
- 250 g All‑purpose flour (Divided in two: 125 g for each layer)
- 5 g Baking powder (About 1 teaspoon)
- 1 g Salt (Pinch)
- 2 g Vanilla powder (About ½ teaspoon)
- 100 g Chocolate chips (Dark or milk, according to preference)
- 200 g Baking dark chocolate (At least 70% cocoa, melted with the butter)
- 150 g Granulated sugar (for the brownie) (Fine white sugar)
- 100 g Pecan nuts (Coarsely chopped, optional)
- 1 piece 20 × 20 cm square pan (flexipan) (Non‑stick, no need to butter/flour)
Instructions
Prepare the cookie dough
Whisk the egg with the brown sugar and white sugar until the mixture lightens. Add 75 g melted butter, half the flour (125 g), baking powder, salt, vanilla powder, then the chocolate chips. Mix until you obtain a homogeneous dough that is still slightly sticky.
Time: PT10M
Melt chocolate and butter for the brownie
In a small saucepan, melt the dark chocolate and the 75 g of salted butter over low heat, stirring constantly until you obtain a smooth mixture.
Time: PT5M
Incorporate the egg into the chocolate‑butter mixture
Pour the beaten egg into the melted mixture and stir quickly to combine.
Time: PT2M
Add sugar and flour to the brownie
Stir in the granulated sugar then the flour (125 g) into the mixture, mixing gently until the batter is smooth.
Time: PT5M
Add the pecan nuts
Fold in the chopped pecans and mix lightly.
Time: PT2M
Preheat the oven
Preheat the oven to 180°C (thermostat 6).
Time: PT5M
Temperature: 180°C
Pour the brownie batter into the pan
Spread the brownie batter evenly in the 20 × 20 cm square pan.
Time: PT3M
Crumble the cookie dough over the brownie
Crumble the cookie dough over the top of the brownie like a crumble, covering the entire surface.
Time: PT5M
Bake
Place the pan in the oven and bake for 25 minutes at 180°C. The top should be golden and the center still slightly molten.
Time: PT25M
Temperature: 180°C
Cool and unmold
Let the cake cool for 15 minutes in the pan, then unmold onto a rack. Cut into 9 equal pieces.
Time: PT15M
Nutrition Facts
- Calories
- 350
- Protein
- 5 g
- Carbohydrates
- 45 g
- Fat
- 18 g
- Fiber
- 2 g
Dietary info: vegetarian, low-calorie
Allergens: eggs, milk, gluten, nuts
Last updated: April 7, 2026






