Silly Rat Brownie Bites

Featured in: Warm Baked Recipes

These fudgy chocolate brownie bites are delightfully decorated to resemble playful little rats, adding a whimsical touch to any gathering. Made with rich cocoa, dark chocolate chips, and a hint of vanilla, they bake up moist and tender. The decoration involves piping melted white chocolate tinted with pink gel food coloring, and using mini chocolate chips, sprinkles, almonds, and licorice for facial features and tails. Ideal for parties or special treats, they combine fun presentation with indulgent chocolate flavor.

Updated on Thu, 20 Nov 2025 11:16:00 GMT
Fudgy Silly Rat Cake Brownie Bites, decorated with white chocolate, look irresistible and fun for dessert. Pin It
Fudgy Silly Rat Cake Brownie Bites, decorated with white chocolate, look irresistible and fun for dessert. | juniperbite.com

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

I first tried these when searching for a bring-along treat that would impress friends at a casual party, and everyone loved the silly rat decorations. Making them with my niece turned into a hilarious kitchen adventure full of giggles and messy fingers.

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, melted
  • Pink and black gel food coloring: as needed
  • Mini chocolate chips (for eyes): 32 pieces
  • Pink heart sprinkles or pink M&M minis (for noses): 16 pieces
  • Slivered almonds or sliced jelly candies (for ears): 32 pieces
  • Licorice laces or spaghetti candy strands (for tails): 16 pieces

Instructions

Prepare the pan:
Preheat the oven to 175°C (350°F). Line a 16-cup mini muffin tin or silicone mold with nonstick spray or mini liners.
Make the batter:
In a microwave-safe bowl, melt butter. Stir in both sugars, then whisk in eggs and vanilla until glossy.
Add dry ingredients:
Sift in cocoa powder, flour, baking powder, and salt. Mix until just combined.
Finish batter:
Fold in chocolate chips.
Bake:
Divide batter into cups, filling each 3/4 full. Bake for 18 to 20 minutes, until set and a toothpick shows moist crumbs. Cool 10 minutes in tin, then on rack.
Decorate:
Tint melted white chocolate with pink gel for noses and ears. Pipe noses, cheeks, whiskers, and tails using a bag or toothpick. Add two mini chocolate chips for eyes, a pink sprinkle for nose, and almonds or jelly slices for ears. Insert a licorice lace or candy strand for tail. Allow to set before serving.
See cute, playful brownie bites designed as chocolate rats; a whimsical Silly Rat Cake variation. Pin It
See cute, playful brownie bites designed as chocolate rats; a whimsical Silly Rat Cake variation. | juniperbite.com

Decorating these together with my family is now a favorite tradition. Seeing the kids invent their own silly rats with candy was the highlight of our birthday party last year.

Required Tools

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

Allergen Information

This recipe contains dairy, eggs, gluten, and tree nuts if almonds are used. Always verify candy and chocolate ingredients to match dietary needs.

Nutritional Information

Each brownie bite provides about 130 calories, 6 g total fat, 18 g carbohydrates, and 2 g protein.

A close-up of delicious Silly Rat Cake Brownie Bites, ready to enjoy; rich, dark chocolate treats are delightful. Pin It
A close-up of delicious Silly Rat Cake Brownie Bites, ready to enjoy; rich, dark chocolate treats are delightful. | juniperbite.com

Serve these silly rat cake brownie bites with ice cream for an extra treat or let guests decorate their own. The best part is seeing all the cute and goofy rat faces everyone creates.

Questions About This Recipe

What type of chocolate works best for the brownies?

Using unsweetened cocoa powder combined with dark chocolate chips yields the richest fudgy texture and deep chocolate flavor.

How can I decorate the bites to look like rats?

Melt white chocolate tinted with pink coloring is piped to create noses and whiskers, while mini chocolate chips, sprinkles, almonds, and licorice strands form eyes, ears, and tails.

Can these brownie bites be made gluten-free?

Yes, substituting all-purpose flour with a gluten-free blend allows gluten-free versions while maintaining texture.

What tools are needed for baking and decorating?

A mini muffin tin or silicone mold is used for baking, along with a piping bag or toothpicks for detailed decoration.

How should I store these brownie bites to keep them fresh?

Store them in an airtight container at room temperature for up to three days or refrigerate for longer freshness.

Silly Rat Brownie Bites

Whimsical fudgy chocolate bites decorated with playful rat features, ideal for festive occasions.

Prep Time
25 minutes
Cook Time
20 minutes
Total Duration
45 minutes
Juniper Bite Chloe Fischer

Dish Type Warm Baked Recipes

Skill Level Easy

Cuisine American-Inspired

Serves 16 Number of Servings

Dietary Info Vegetarian-Friendly

What You’ll Need

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 and black gel food coloring
03 32 mini chocolate chips (for eyes)
04 16 pink heart sprinkles or pink M&M minis (for noses)
05 32 slivered almonds or sliced jelly candies (for ears)
06 16 licorice laces or spaghetti candy strands (for tails)

Directions

Step 01

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

Step 02

Melt Butter and Combine Sugars: Gently melt butter in a microwave-safe bowl and stir in granulated and brown sugars until thoroughly combined.

Step 03

Incorporate Eggs and Vanilla: Whisk eggs and vanilla extract into the butter-sugar mixture until smooth and glossy.

Step 04

Add Dry Ingredients: Sift together cocoa powder, flour, baking powder, and salt; then fold into the wet mixture until just combined.

Step 05

Mix in Chocolate Chips: Gently fold dark chocolate chips into the batter to distribute evenly.

Step 06

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

Step 07

Bake and Cool: Bake for 18 to 20 minutes until edges are set and a toothpick inserted yields moist crumbs. Cool in the tin for 10 minutes, then transfer to wire rack to cool completely.

Step 08

Prepare Decorations: Tint melted white chocolate with pink gel food coloring for noses and ears.

Step 09

Pipe Facial Features and Tails: Using a piping bag or toothpick, pipe small dots for noses, two dots for cheeks, and fine lines for whiskers and tails.

Step 10

Apply Eyes, Noses, and Ears: Press two mini chocolate chips for eyes, place a pink sprinkle or M&M mini for the nose, and attach slivered almonds or jelly slices for ears.

Step 11

Attach Tails: Insert licorice laces or candy strands at base of each brownie bite to resemble tails.

Step 12

Set Chocolate Decorations: Allow all chocolate decorations to set firmly before serving.

Kitchen Gear Needed

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

Allergen Details

Always check what goes in for allergens, and talk to your doctor if you’re unsure.
  • Contains milk, eggs, wheat (gluten), and nuts (if using almonds)
  • Check decorations and candies for potential allergens

Nutrition Information (each serving)

This info’s just a guide, not medical advice.
  • Calories: 130
  • Fats: 6 g
  • Carbohydrates: 18 g
  • Proteins: 2 g