Microwave Chocolate Brownie Crunch

Microwave Chocolate Brownie Crunch is a easy American recipe that serves 8. 200 calories per serving. Recipe by Justin Holmes on YouTube.

Prep: 5 min | Cook: 2 min | Total: 12 min

Cost: $6.40 total, $0.80 per serving

Ingredients

  • 5 cups Cornflakes (plain, store‑bought)
  • 1 cup Chocolate Chips (semi‑sweet, any brand (e.g., JY, Skippy))
  • 1.5 cups Brownie Mix (boxed mix, any brand)
  • 0.5 cup Powdered Sugar (sifted)
  • 1 teaspoon Vanilla Extract (pure vanilla)

Instructions

  1. Gather Ingredients & Equipment

    Measure out all ingredients and set out the bowl, microwave‑safe container, Ziploc bag, and spatula.

    Time: PT1M

  2. Add Cornflakes to Bowl

    Place the 5 cups of cornflakes into the large microwave‑safe bowl.

    Time: PT30S

  3. Melt Chocolate Chips

    Put 1 cup of chocolate chips in the small microwave‑safe container. Microwave in 30‑second bursts, stirring after each burst, until the chocolate is completely smooth (about 2–3 intervals).

    Time: PT2M

  4. Add Vanilla

    Stir 1 teaspoon of vanilla extract into the melted chocolate.

    Time: PT15S

  5. Coat Cornflakes with Chocolate

    Pour the melted chocolate over the cornflakes in the bowl. Using a spatula, gently toss until the cornflakes are evenly coated.

    Time: PT30S

  6. Prepare Brownie‑Sugar Mix

    In the gallon‑size Ziploc bag, combine 1½ cups of brownie mix with ½ cup of powdered sugar. Seal the bag and shake until the powders are fully blended.

    Time: PT1M

  7. Add Coated Cornflakes to Bag

    Transfer the chocolate‑coated cornflakes from the bowl into the Ziploc bag containing the brownie‑sugar mix. Seal the bag and gently shake until the cornflakes are evenly coated with the dry mixture.

    Time: PT1M

  8. Cool & Serve

    Spread the finished snack onto a plate or parchment paper to cool for a few minutes. Once set, serve immediately or store in an airtight container.

    Time: PT30S

Nutrition Facts

Calories
200
Protein
2 g
Carbohydrates
30 g
Fat
8 g
Fiber
1 g

Dietary info: Vegetarian, Contains gluten, Contains dairy

Allergens: Milk, Wheat, Soy

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.

Microwave Chocolate Brownie Crunch

Recipe by Justin Holmes

A quick, no‑bake microwave snack that combines crunchy cornflakes with a rich chocolate‑brownie coating. Made with just a bowl, a microwave, and a few pantry staples, this treat is perfect for kids and busy families.

EasyAmericanServes 8

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

Source Video
5m
Prep
0m
Cook
10m
Cleanup
15m
Total

Cost Breakdown

$6.40
Total cost
$0.80
Per serving

Critical Success Points

  • Melting chocolate without burning
  • Evenly coating cornflakes with melted chocolate
  • Gentle shaking of the bag to coat cornflakes with the brownie‑sugar mixture

Safety Warnings

  • The melted chocolate will be extremely hot; handle the container with oven mitts.
  • Do NOT use an aluminum bowl in the microwave; use a microwave‑safe glass or ceramic bowl instead.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Puppy Chow (Chocolate Brownie Crunch) in American snack culture?

A

Puppy Chow, also known as Muddy Buddies, originated in the 1970s in the United States as a homemade party snack. It became popular at school events, church gatherings, and sports games because it’s inexpensive, easy to make, and has a satisfying sweet‑crunch texture.

cultural
Q

What are the traditional regional variations of chocolate cornflake treats in the United States?

A

In the Midwest, the classic version uses butter, chocolate, and powdered sugar. Some regions add peanut butter, caramel, or flavored extracts. The microwave version by Justin Holmes skips the butter for speed, using only chocolate chips and a brownie‑mix coating.

cultural
Q

How is the authentic traditional way of serving Puppy Chow presented in American households?

A

Traditionally, Puppy Chow is served in a large bowl or resealable bag at casual gatherings, allowing guests to scoop out portions with a spoon. It’s often paired with milk, soda, or a simple fruit punch.

cultural
Q

What occasions or celebrations is Microwave Chocolate Brownie Crunch traditionally associated with in American culture?

A

It’s a go‑to snack for school lunches, after‑school treats, birthday parties, game nights, and even as a quick dessert for busy weeknights because it requires minimal equipment and no baking.

cultural
Q

How does Microwave Chocolate Brownie Crunch fit into the broader American snack tradition?

A

The snack embodies the American love for convenience, sweet flavors, and crunchy textures. It mirrors other pantry‑based treats like Rice Krispie Treats and popcorn‑chocolate mixes, emphasizing speed and accessibility.

cultural
Q

What are the authentic traditional ingredients for Puppy Chow versus acceptable substitutes?

A

Traditional ingredients include plain cornflakes, butter, semi‑sweet chocolate chips, powdered sugar, and a pinch of salt. Acceptable substitutes are oil or margarine for butter, milk chocolate for semi‑sweet chips, and brown sugar or coconut sugar in place of powdered sugar.

cultural
Q

What other American snack dishes pair well with Microwave Chocolate Brownie Crunch?

A

It pairs nicely with classic American snacks like pretzel sticks, cheese crackers, fresh fruit slices, or a simple glass of cold milk. For a party platter, serve alongside mini sandwiches and veggie trays.

cultural
Q

What makes Microwave Chocolate Brownie Crunch special or unique in American snack cuisine?

A

The recipe replaces the traditional butter‑based glaze with a pure chocolate melt and adds a brownie‑mix coating, giving a richer cocoa flavor and a slightly cakey texture while still keeping the snack quick and microwave‑friendly.

cultural
Q

What are the most common mistakes to avoid when making Microwave Chocolate Brownie Crunch?

A

Common errors include overheating the chocolate (which can burn or seize), over‑mixing the cornflakes so they become soggy, and adding the dry brownie‑sugar mix before the chocolate has set, which leads to clumps.

technical
Q

Why does this recipe use microwave intervals instead of a stovetop melt for the chocolate?

A

Microwave intervals allow for rapid melting with minimal equipment, perfect for a quick snack. Stirring every 30 seconds prevents hot spots that can scorch the chocolate, which is harder to control on a stovetop without a double boiler.

technical
Q

What does the YouTube channel Justin Holmes specialize in?

A

The YouTube channel Justin Holmes focuses on simple, family‑friendly recipes that require minimal equipment and ingredients, often highlighting quick microwave or one‑pot meals for busy households.

channel
Q

How does the YouTube channel Justin Holmes' approach to American comfort food differ from other cooking channels?

A

Justin Holmes emphasizes speed, accessibility, and using everyday pantry items, whereas many other channels may rely on specialty ingredients or longer preparation times. His tutorials often include humor and real‑life kitchen mishaps to keep viewers engaged.

channel

You Might Also Like

Similar recipes converted from YouTube cooking videos

Ultra Chocolate Brownie (Ultra Fudgy)
45

Ultra Chocolate Brownie (Ultra Fudgy)

An ultra-fudgy, very chocolatey and rich brownie, French-style, inspired by the classic American version. This version emphasizes a melt-in-your-mouth texture and chocolate richness, with dark chocolate chunks for extra indulgence. Follow each step to master this irresistible cake.

1 hr 5 minServes 9$7
American (French-style adaptation)
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
Homemade Cosmic Brownies with Fudge Glaze and Tempered Chocolate Candy Pieces
60

Homemade Cosmic Brownies with Fudge Glaze and Tempered Chocolate Candy Pieces

A copycat of Little Debbie Cosmic Brownies that actually tastes good. Dense, chewy chocolate brownies are topped with a firm fudge glaze and speckled with tiny tempered chocolate candies coated in a crisp sugar shell and colored with natural food dyes.

2 hrs 15 minServes 12$15
American
Best Chocolate Chip Cookies with Salted Potato Chip Crunch
50

Best Chocolate Chip Cookies with Salted Potato Chip Crunch

Joshua Weissman's ultimate chocolate chip cookie recipe featuring a secret ingredient—crushed kettle‑cooked salted potato chips—for a perfect balance of sweet, salty, chewy and crunchy. The dough is chilled for optimal texture and baked to a golden edge with a slightly underbaked center for gooey chocolate goodness.

1 hr 7 minServes 12$9
American
Chewy Dark Chocolate Brownies (Updated Recipe)
31

Chewy Dark Chocolate Brownies (Updated Recipe)

An updated, extra‑chewy, less‑sweet brownie recipe that delivers a crackly, shiny top and a fudgy interior. The secret is caramelizing butter with brown sugar and adding sweetened condensed milk for extra moisture. Finished with optional honey glaze or Biscoff topping.

1 hr 2 minServes 12$22
American
World's Best CHOCOLATE CHIP COOKIES Recipe: Crunchy Outside, Soft & Chewy Inside
21

World's Best CHOCOLATE CHIP COOKIES Recipe: Crunchy Outside, Soft & Chewy Inside

A winner‑level chocolate chip cookie with a crispy edge, soft gooey center, and deep nutty flavor from browned Irish butter. Made with simple tools and big dark chocolate chunks, these cookies are perfect for dunking in milk.

58 minServes 6$12
American