Silly Rat Cake Brownie Bites

Featured in: Sweet Treats

These fudgy chocolate bites combine rich cocoa and dark chocolate chips to create moist, tender mini desserts. Baked in a mini muffin tin, they are then decorated with white chocolate and colorful candy details to resemble playful little rats. Ideal for parties or casual indulgence, these treats offer both eye-catching charm and delicious flavor, with easy preparation and simple ingredients.

Updated on Thu, 20 Nov 2025 11:41:00 GMT
A tray of cute Silly Rat Cake Brownie Bites, offering a whimsical chocolate experience made from scratch. Pin
A tray of cute Silly Rat Cake Brownie Bites, offering a whimsical chocolate experience made from scratch. | garlicgroove.com

Adorably whimsical brownie bites inspired by the viral rat cake chaos cakes trend—rich, fudgy chocolate treats decorated to look like playful little rats, perfect for parties and fun gatherings.

I made these silly rat brownie bites for my niece's birthday and watched everyone giggle at the playful little faces. Decorating each one is delightfully creative—they always spark conversation at gatherings.

Ingredients

  • Unsalted butter: 115 g (1/2 cup), melted
  • Granulated sugar: 150 g (3/4 cup)
  • Brown sugar: 90 g (1/2 cup)
  • Eggs: 2 large
  • Vanilla extract: 1 tsp
  • Unsweetened cocoa powder: 60 g (2/3 cup)
  • All-purpose flour: 65 g (1/2 cup)
  • Baking powder: 1/2 tsp
  • Salt: 1/4 tsp
  • Dark chocolate chips: 90 g (1/2 cup)
  • White chocolate (for decoration): 100 g (3.5 oz), melted
  • Pink and black gel food coloring: For tinting decorations
  • Mini chocolate chips: 32, for eyes
  • Pink heart sprinkles or pink M&M minis: 16, for noses
  • Slivered almonds or sliced jelly candies: 32, for ears
  • Licorice laces or spaghetti candy strands: 16, for tails

Instructions

Prepare brownie tin:
Preheat the oven to 175°C (350°F). Line a 16-cup mini muffin tin or silicone mold with nonstick spray or mini liners.
Mix wet ingredients:
In a microwave-safe bowl, melt the butter. Stir in both sugars until well combined.
Add eggs and vanilla:
Whisk in eggs and vanilla until smooth and glossy.
Add dry ingredients:
Sift in cocoa powder, flour, baking powder, and salt. Mix until just combined.
Fold in chocolate chips:
Fold in dark chocolate chips.
Portion & bake:
Divide batter evenly among the muffin cups, filling each about 3/4 full. Bake for 18 to 20 minutes, until set and a toothpick comes out with moist crumbs. Cool in the tin for 10 minutes, then transfer to a rack to cool completely.
Decorate brownies:
Tint melted white chocolate with pink gel coloring for noses and ears. Using a piping bag or toothpick, pipe a small dot for the nose, two dots for cheeks, and fine lines for whiskers and tails. Press two mini chocolate chips into each brownie for eyes, a pink sprinkle or M&M for the nose, and slivered almonds or small jelly slices for ears. Insert a licorice lace or candy strand at the base for the rat's tail. Allow chocolate to set before serving.
Fudgy, rich Silly Rat Cake Brownie Bites are delightfully decorated with chocolate; perfect for kids! Pin
Fudgy, rich Silly Rat Cake Brownie Bites are delightfully decorated with chocolate; perfect for kids! | garlicgroove.com

My family loves coming together to decorate these brownie bites. Children and adults alike compete to make the silliest rat face, turning baking into a memorable afternoon event.

Required Tools

Mini muffin tin or silicone mold, mixing bowls, whisk and spatula, microwave or stovetop, piping bag or toothpicks, cooling rack

Allergen Information

Contains milk, eggs, wheat (gluten), and nuts if using almonds. Check decorative candies for allergens and always verify product labels if allergies are a concern.

Nutritional Information

Per brownie bite: 130 calories, total fat 6 g, carbohydrates 18 g, protein 2 g

These delicious Silly Rat Cake Brownie Bites show off their playful rat features, a fun treat to make. Pin
These delicious Silly Rat Cake Brownie Bites show off their playful rat features, a fun treat to make. | garlicgroove.com

Serve the silly rat brownie bites at your next party for guaranteed smiles. They're perfect with ice cream or eaten straight from the tray for a sweet, whimsical treat.

Recipe Questions

How do I achieve a fudgy texture in these bites?

Use a balance of brown and granulated sugars along with melted butter to keep the brownies moist, and avoid overbaking by testing with a toothpick for moist crumbs.

What is the best way to decorate the bites to resemble rats?

Melt white chocolate tinted with gel food coloring for facial features, then add mini chocolate chips for eyes, pink sprinkles for noses, and licorice strands for tails.

Can I make these gluten-free?

Yes, substitute the all-purpose flour with a gluten-free flour blend to accommodate dietary needs without compromising texture.

What tools are essential to prepare these bites?

A mini muffin tin or silicone mold, mixing bowls, whisk, microwave or stovetop for melting, piping bag or toothpicks for decoration, and a cooling rack are recommended.

How long should I bake these mini bites?

Bake at 175°C (350°F) for 18-20 minutes until set but still moist inside, checking with a toothpick to avoid dryness.

Silly Rat Cake Brownie Bites

Fudgy chocolate brownie bites adorned with whimsical rat decorations for fun and flavorful treats.

Prep duration
25 min
Cook duration
20 min
Complete duration
45 min


Complexity Easy

Heritage American-Inspired

Output 16 Portions

Dietary requirements Vegetarian

Components

Brownie Bites

01 1/2 cup unsalted butter (115 g)
02 3/4 cup granulated sugar (150 g)
03 1/2 cup packed brown sugar (90 g)
04 2 large eggs
05 1 teaspoon vanilla extract
06 2/3 cup unsweetened cocoa powder (60 g)
07 1/2 cup all-purpose flour (65 g)
08 1/2 teaspoon baking powder
09 1/4 teaspoon salt
10 1/2 cup dark chocolate chips (90 g)

Decoration (Rat Features)

01 3.5 oz white chocolate, melted (100 g)
02 Pink gel food coloring
03 Black gel food coloring
04 32 mini chocolate chips
05 16 pink heart sprinkles or pink M&M minis
06 32 slivered almonds or sliced jelly candies
07 16 licorice laces or spaghetti candy strands

Directions

Step 01

Prepare oven and pan: Preheat the oven to 350°F (175°C). Grease a 16-cup mini muffin tin or line with mini liners.

Step 02

Melt butter and combine sugars: In a microwave-safe bowl, melt the butter. Stir in granulated and brown sugars until fully combined.

Step 03

Incorporate eggs and vanilla: Whisk in the eggs and vanilla extract until the mixture is smooth and glossy.

Step 04

Add dry ingredients: Sift together the cocoa powder, flour, baking powder, and salt. Fold into the wet mixture until just combined.

Step 05

Mix in chocolate chips: Gently fold in the dark chocolate chips, ensuring even distribution throughout the batter.

Step 06

Fill muffin cups: Divide the batter evenly, filling each muffin cup about three-quarters full.

Step 07

Bake: Bake for 18 to 20 minutes, until set and a toothpick inserted in the center comes out with moist crumbs. Cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.

Step 08

Prepare decorations: Tint the melted white chocolate with pink gel coloring for noses and ears.

Step 09

Pipe facial features and tails: Using a piping bag or toothpick, pipe small dots for noses and cheeks, fine lines for whiskers and tails on each brownie bite.

Step 10

Attach eyes, noses, and ears: Press two mini chocolate chips into each brownie for eyes, a pink sprinkle or M&M for the nose, and slivered almonds or jelly slices for ears.

Step 11

Add tails: Insert a licorice lace or candy strand at the base of each brownie to create the rat's tail.

Step 12

Set decorations: Allow the chocolate decorations to set fully before serving.

Necessary tools

  • 16-cup mini muffin tin or silicone mold
  • Mixing bowls
  • Whisk
  • Spatula
  • Microwave or stovetop for melting butter
  • Piping bag or toothpicks
  • Cooling rack

Allergy details

Review each ingredient for potential allergens and speak with a healthcare provider if you're uncertain about anything.
  • Contains milk, eggs, wheat (gluten), and nuts if almonds are used.
  • Verify decorative candy ingredients for potential allergens.

Nutrition breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 130
  • Fat: 6 g
  • Carbohydrates: 18 g
  • Protein: 2 g