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No-Bake Vegan Cosmic Brownies – Easy 20-Minute Treat

By September 12, 20266 min read

These brownies never see an oven. They set in the fridge instead. The result is dense, fudgy, and cold in the best way.

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I make them on warm evenings when turning on the oven feels wrong. The chocolate does the work. The fridge does the rest.

One small experiment: swap the maple syrup for date syrup. It tastes deeper. And a little darker.

Why You'll Love This Recipe

1

No oven required: the fridge does all the setting work.
2

Fudgy texture: almond flour and cocoa keep every square dense and rich.
3

Kid-friendly topping: rainbow chips make them look like the classic lunchbox treat.
4

Simple pantry staples: most ingredients are already in your cupboard.

About the Ingredients

1 1/2 cups (150g) blanched almond flour

Blanched keeps the texture fine and light. If you only have almond meal, sift it first and expect a slightly grainier bite.

1/2 cup (50g) unsweetened cocoa powder

Dutch-process cocoa gives a darker, smoother flavor. Natural cocoa works too, but the brownies will taste a bit sharper.

1/3 cup (80ml) pure maple syrup

Grade A amber is the everyday choice. Date syrup is a good swap for a deeper, less sweet result.

1/4 cup (60ml) melted coconut oil

Refined coconut oil has no coconut taste. Unrefined works if you like a faint coconut note.

1/4 cup (64g) creamy almond butter

Look for a jar with just almonds and salt. Peanut butter or sunflower seed butter both substitute well.

1 teaspoon vanilla extract

Real extract beats imitation here. Bourbon vanilla adds a warm, almost caramel edge.

1/4 teaspoon fine sea salt

Fine sea salt dissolves evenly. Kosher salt works if you crush the flakes first.

1/4 cup (45g) vegan mini chocolate chips

Mini chips melt into the batter better than full-size ones. Check the label for milk fat.

1/3 cup (60g) rainbow candy-coated chocolate chips

These are the cosmic topping. If you cannot find them, crushed vegan cookies or sprinkles work.

2 tablespoons (30ml) oat milk

Any plant milk works. Oat milk adds a mild sweetness that soy milk does not.

Tips & Tricks

Measure the coconut oil after melting

warm liquid measures differently than solid, and too much oil makes the batter greasy.

Press the batter firmly into the pan

loose pockets of air turn into crumbly squares once chilled.

Chill at least 2 hours before slicing

a short chill gives soft centers that smear instead of clean edges.

  • Warm the knife under hot water and dry it between cuts: cold chocolate drags and cracks without this step.

Pro Tips

1

Sift the cocoa and almond flour together to avoid dry streaks in the fudge.
2

Line the pan with parchment overhang so you can lift the whole slab out.
3

Press the rainbow chips in gently by hand so they stay on top instead of sinking.
4

Slice with a long, thin knife, not a short one, for straight edges.

Step-by-Step Instructions

1. Line the pan

Line an 8×8 inch (20×20 cm) square pan with parchment, leaving overhang on two sides. The overhang lets you lift the slab out later.

2. Whisk the dry base

In a large bowl, whisk the almond flour, cocoa powder, and sea salt until no cocoa lumps remain. This takes about 30 seconds.

3. Warm the wet mix

In a small saucepan over low heat, warm the maple syrup, coconut oil, almond butter, and oat milk for 2 to 3 minutes, until the mixture is smooth and glossy at 110F to 120F (43C to 49C). Do not let it bubble.

4. Combine everything

Pour the warm wet mix into the dry bowl with the vanilla. Stir with a spatula for about 1 minute until a thick, glossy fudge forms. It should hold a soft shape on the spatula.

5. Fold in the chips

Fold in the mini chocolate chips. The batter will stiffen slightly as the cold chips meet the warm fudge. That is normal.

6. Press into the pan

Transfer the batter to the lined pan. Press it flat with the back of a spoon or your hands until the surface is even and firm.

7. Add the cosmic topping

Scatter the rainbow chips over the top and press them in lightly with your palm. Aim for even coverage so every square gets color.

8. Chill and slice

Refrigerate uncovered for 2 hours, or until the slab is firm to the touch and lifts cleanly with the parchment. Slice into 12 squares with a warm, dry knife. Serve cold.

Delicious Variations

Mint Cosmic

add 1/4 teaspoon peppermint extract to the wet mix for a cool, after-dinner version.

Nutty Crunch

stir in 1/3 cup chopped toasted walnuts before pressing into the pan.

Double Chocolate

use dark cocoa powder and top with cacao nibs instead of rainbow chips.

How to Store No-bake Vegan Cosmic Brownies

Refrigerator

Store in an airtight container in the fridge for up to 10 days. Layer with parchment if stacking.

Freezer

Wrap individual squares in parchment, then freeze in a bag for up to 3 months. Thaw in the fridge for 1 hour.

Reheating

No reheating needed. These are best eaten cold. If you want softer centers, let them sit at room temperature for 10 minutes.

Frequently Asked Questions

Q: How long do no-bake brownies take to set?

They need about 2 hours in the refrigerator to firm up fully. For the cleanest slices, chill them overnight and cut with a warm knife.

Make a batch tonight. Let the fridge do the quiet work. Then slice one square, sit down, and taste how simple chocolate can be. Breathe, then unplug.

No-bake Vegan Cosmic Brownies

No-bake Vegan Cosmic Brownies

No-bake Vegan Cosmic Brownies deliver fudgy, chocolate-rich squares with rainbow chips, ready in 20 minutes with zero oven time.

★★★★½ 4.8 (214 ratings)
15 minPrep time5 minCook time12Servings218 kcalCalories

🧂 Ingredients

  • 1 1/2 cups (150g) blanched almond flour
  • 1/2 cup (50g) unsweetened cocoa powder
  • 1/3 cup (80ml) pure maple syrup
  • 1/4 cup (60ml) melted coconut oil
  • 1/4 cup (64g) creamy almond butter
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon fine sea salt
  • 1/4 cup (45g) vegan mini chocolate chips
  • 1/3 cup (60g) rainbow candy-coated chocolate chips
  • 2 tablespoons (30ml) oat milk

📋 Instructions

  1. 1Line the pan — Line an 8×8 inch (20×20 cm) square pan with parchment, leaving overhang on two sides. The overhang lets you lift the slab out later.
  2. 2Whisk the dry base — In a large bowl, whisk the almond flour, cocoa powder, and sea salt until no cocoa lumps remain. This takes about 30 seconds.
  3. 3Warm the wet mix — In a small saucepan over low heat, warm the maple syrup, coconut oil, almond butter, and oat milk for 2 to 3 minutes, until the mixture is smooth and glossy at 110F to 120F (43C to 49C). Do not let it bubble.
  4. 4Combine everything — Pour the warm wet mix into the dry bowl with the vanilla. Stir with a spatula for about 1 minute until a thick, glossy fudge forms. It should hold a soft shape on the spatula.
  5. 5Fold in the chips — Fold in the mini chocolate chips. The batter will stiffen slightly as the cold chips meet the warm fudge. That is normal.
  6. 6Press into the pan — Transfer the batter to the lined pan. Press it flat with the back of a spoon or your hands until the surface is even and firm.
  7. 7Add the cosmic topping — Scatter the rainbow chips over the top and press them in lightly with your palm. Aim for even coverage so every square gets color.
  8. 8Chill and slice — Refrigerate uncovered for 2 hours, or until the slab is firm to the touch and lifts cleanly with the parchment. Slice into 12 squares with a warm, dry knife. Serve cold.
👨‍🍳 Chef's Note: The batter tastes best slightly warm, so sneak a spoonful before it chills. Just leave enough for the pan.

Servings: 12

Cuisine: American

Course: Dessert

Nutrition (per serving): 218 kcal · 5g protein · 18g carbs · 15g fat
Ingrid Sørensen

Written by Ingrid Sørensen
Ingrid explores mindful technology use and digital minimalism, helping readers reclaim focus. She writes about practical habits to reduce screen time and improve digital well-being.

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