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

  1. 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

  2. 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

  3. Incorporate the egg into the chocolate‑butter mixture

    Pour the beaten egg into the melted mixture and stir quickly to combine.

    Time: PT2M

  4. 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

  5. Add the pecan nuts

    Fold in the chopped pecans and mix lightly.

    Time: PT2M

  6. Preheat the oven

    Preheat the oven to 180°C (thermostat 6).

    Time: PT5M

    Temperature: 180°C

  7. Pour the brownie batter into the pan

    Spread the brownie batter evenly in the 20 × 20 cm square pan.

    Time: PT3M

  8. 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

  9. 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

  10. 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

Amazon Associates

Amazon Associates PartnerTrusted

As an Amazon Associate, we earn from qualifying purchases made through links on this page. This helps support our site at no extra cost to you. Clicking on ingredient or equipment links will take you to amazon.com where you can purchase these items.

Brookies – Half‑cookie Half‑brownie Cake

Recipe by Once Upon a Time in Pastry

A decadent cake combining the moist texture of a chocolate brownie with the crunch of a chocolate‑chip cookie. Easy to make, simply layer two simple batters in a 20 × 20 cm square pan, then bake. Ideal for chocolate and nut lovers, this dessert cuts into generous portions and keeps for several days.

MediumFrenchServes 9

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
37m
Prep
40m
Cook
10m
Cleanup
1h 27m
Total

Cost Breakdown

$20.76
Total cost
$2.31
Per serving

Critical Success Points

  • Mix the cookie dough without over‑working it
  • Melt the chocolate over low heat to avoid burning
  • Crumble the cookie dough evenly for a perfect crumble
  • Baking: check the top color and the center texture

Safety Warnings

  • Be careful with very hot melted chocolate
  • Handle the oven with kitchen gloves
  • Do not let the butter burn on the heat

You Might Also Like

Similar recipes converted from YouTube cooking videos

Low Carb Cheesecake Brownies
20

Low Carb Cheesecake Brownies

A delicious low carb cheesecake brownie recipe combining rich chocolatey brownies with creamy cheesecake swirls. Made with almond flour, no sugar added chocolate chips, and sweetened with powdered sweetener, this dessert is perfect for holidays, parties, or a guilt-free treat. The recipe includes layering brownie batter, cheesecake mixture, and swirling for a beautiful marbled effect.

1 hr 15 minServes 9$18
American
Hybrid Dessert Brownie – Cheesecake – Cookie
3

Hybrid Dessert Brownie – Cheesecake – Cookie

An indulgent dessert that combines a moist brownie base, a creamy cheesecake layer and a thin crispy cookie sheet. Ideal for chocolate, cheesecake and cookie lovers, this three‑layer cake is prepared in two bakes and served in small cubes.

2 hrs 5 minServes 12$6
French
Cakey Brownies with Chocolate Frosting
24

Cakey Brownies with Chocolate Frosting

A soft, cake‑like brownie made from a King Arthur Flour recipe, finished with a rich chocolate buttercream and optional sprinkles. Perfect for birthdays, parties, or any chocolate craving.

1 hrServes 12$8
American
I Made the Iconic Cake That Uses Half a Pint of Guinness
37

I Made the Iconic Cake That Uses Half a Pint of Guinness

A rich, moist chocolate cake infused with Irish stout Guinness and topped with a tangy cream cheese frosting. The carbonation from the beer keeps the crumb tender, while a splash of Baileys in the frosting adds an extra layer of indulgence. Perfect for St. Patrick's Day or any celebration that calls for a decadent, beer‑infused dessert.

1 hr 43 minServes 12$68
British
Cosmic brownie cookie ice cream sandwich
21

Cosmic brownie cookie ice cream sandwich

Soft, chewy sourdough brownie cookies studded with all‑natural rainbow chocolate chips, sandwiched around a generous layer of vanilla ice cream. The cookies are naturally fermented for extra flavor and a fudgy texture, making a fun twist on the classic ice cream sandwich.

12 hrs 50 minServes 12$22
American
Instant Pot Corned Beef & Cabbage - Ready in HALF the Time!
36

Instant Pot Corned Beef & Cabbage - Ready in HALF the Time!

A fast, pressure‑cooker version of classic corned beef and cabbage. The brisket is cooked with a homemade pickling‑spice blend, then finished with potatoes, carrots, and cabbage for a complete, hearty Irish‑American meal in under two hours.

1 hr 54 minServes 6$48
Irish-American