Line a large baking sheet or tray with parchment paper or a silicone baking mat.

Make sure the tray fits inside your refrigerator so the clusters can chill without being disturbed. If you want evenly sized treats, prepare a small cookie scoop or two spoons for portioning the mixture.

Measure all your ingredients before melting the chocolate. Since melted chocolate begins to cool and thicken relatively quickly, having everything ready makes the process easier.

Step 2: Melt the Chocolate

Place the white chocolate chips or melting wafers in a microwave-safe bowl.

Microwave in 20- to 30-second intervals, stirring thoroughly after each interval until the chocolate is mostly melted and smooth. Avoid overheating it, as white chocolate can become thick or grainy if exposed to too much heat.

In a separate bowl, melt the semi-sweet chocolate chips using the same method.

Allow both chocolates to cool slightly before combining them with the other ingredients.

For a more distinct chocolate appearance, you can keep the white and semi-sweet chocolate separate and swirl them together later.

Step 3: Add the Mint Flavor

Stir the peppermint extract into the melted white chocolate.

Start with ½ teaspoon, then taste a tiny amount once the mixture is cool enough to sample safely. Peppermint extract can be quite strong, so avoid adding too much.

If you want a festive green color, add just one or two drops of green food coloring and mix well. Use a coloring compatible with chocolate, preferably an oil-based or powdered product, because water-based coloring can cause melted chocolate to seize.

For a classic mint chocolate chip appearance, leave the white chocolate pale green and keep the semi-sweet chocolate separate.

Step 4: Fold in the Crunchy Ingredients

Add the crispy rice cereal to the mint chocolate mixture and gently fold until the cereal is evenly coated.

Stir in the mini chocolate chips, if using. Allow the chocolate mixture to cool slightly before adding the mini chips so they retain their shape instead of melting completely.

If you’re creating a marbled effect, drizzle some of the semi-sweet chocolate into the mint mixture and fold only a few times.

The mixture should be thick enough to hold together when scooped. If it feels too loose, allow it to sit for a few minutes while the chocolate begins to cool.

Step 5: Shape and Chill the Clusters

Use a tablespoon or small cookie scoop to drop portions of the mixture onto the prepared baking sheet.

Shape each portion into a rough cluster. These treats don’t need to look perfectly uniform; their irregular shapes give them a homemade candy-shop appearance.

Drizzle the remaining semi-sweet chocolate over the tops, then add extra mini chocolate chips or sprinkles if desired.

Place the tray in the refrigerator for approximately 30 to 45 minutes, or until the chocolate has completely set.

Once firm, transfer the clusters to an airtight container and keep them chilled until you’re ready to serve.