Desserts · Part 2 of 3: Instructions
Ten-Minute Cast-Iron S’mores Dip Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 8
Before you start
Before beginning, ensure the oven is fully preheated to 400°F (200°C) to facilitate the quick melting of the chocolate. Have all ingredients measured and ready, as the assembly process is very rapid.
Use a clean, dry 10-inch cast-iron skillet and ensure the butter is at room temperature for easy spreading. This preparation allows for a smooth transition from the counter to the oven, ensuring the marshmallows do not begin to soften or stick before they reach the heat.
Ingredients at a glance (5)
- 1 tbsp unsalted butter, for greasing
- 2 cups milk and dark chocolate chips
- 1/4 cup heavy cream
- 1 package jumbo marshmallows
- 1 box honey graham crackers, for serving
Instructions
Skillet Preparation
- Prepare the skilletPreheat the oven to 400°F (200°C). Grease a 10-inch cast-iron skillet evenly with the butter to prevent sticking. This ensures the molten chocolate releases easily when serving.Look for The skillet is evenly coated with a thin layer of butter.Tip Ensure the skillet is completely clean before greasing for the best results.
The skillet should be evenly greased with butter, with no dry patches remaining. This creates a non-stick barrier that ensures the finished dip is easy to scoop. The oven should be stable at 400°F before the ingredients are added to the pan to ensure consistent cooking throughout the process.
Ingredient Assembly
- Assemble the dipPour the milk and dark chocolate chips into the prepared skillet. Pour the heavy cream over the chips. Arrange the jumbo marshmallows in a tight, single layer across the entire surface of the chocolate mixture.Look for The chocolate chips are covered by a dense layer of marshmallows.Tip Pack the marshmallows tightly to ensure a complete golden crust forms during baking.
The chocolate chips should be spread in an even layer at the bottom of the skillet. The heavy cream should be distributed to help the chocolate melt smoothly.
The marshmallows must be arranged in a tight, single layer, covering as much of the chocolate base as possible to ensure a uniform crust forms during the baking phase.
Baking and Completion
- Bake and servePlace the skillet in the preheated oven and bake for 8 minutes. The chocolate should be melted into a smooth, silky pool, and the marshmallows should be puffed and deep golden brown. Serve immediately with graham crackers.Look for The marshmallows are toasted golden brown and the chocolate is bubbling.Tip Watch the oven closely during the final two minutes to prevent the marshmallows from burning.
At the end of the baking time, the marshmallows should look toasted and golden. The chocolate should be visibly molten and fluid, creating a rich, glossy pool. The dish should be removed carefully from the oven, keeping in mind that the cast-iron handle will remain extremely hot for an extended period.
Common mistakes
A common mistake is overcrowding the skillet with too many marshmallows, which can cause them to overflow as they expand. Another frequent error is using a pan that is too small, which results in the chocolate being too deep and failing to melt evenly before the marshmallows scorch.
Always monitor the oven during the final minutes, as the sugar in the marshmallows can transition from golden brown to burnt very quickly under high heat.
How to tell it’s done
The dish is done when the marshmallow topping has puffed significantly and achieved a deep golden-brown color across the entire surface. The chocolate underneath should be bubbling at the edges of the skillet, indicating that it has reached a fully molten, liquid state.
If the marshmallows are browning too quickly, the skillet can be moved to a lower rack, but generally, the 8-minute bake time is sufficient for the desired texture.
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)