Preheat your oven to 400°F (200°C). Line a baking sheet with aluminum foil or parchment paper, and lightly spray with non-stick cooking spray.
2. Arrange the Crackers
Lay the saltine crackers in a single layer on the prepared baking sheet. Make sure the crackers are touching but not overlapping.
3. Make the Toffee
In a medium saucepan, melt the butter and brown sugar over medium heat. Stir frequently until the mixture comes to a boil.
Once boiling, reduce the heat slightly and continue to boil for 3-4 minutes, stirring constantly, until the mixture thickens and turns a deep caramel color.
4. Pour the Toffee Over the Crackers
Carefully pour the hot toffee mixture evenly over the saltine crackers. Use a spatula to spread it out so all the crackers are coated.
5. Bake
Place the baking sheet in the preheated oven and bake for 5 minutes, or until the toffee is bubbling all over.
6. Add the Chocolate
Remove the baking sheet from the oven and immediately sprinkle the chocolate chips over the hot toffee. Let them sit for a minute or two to soften.
Once softened, use a spatula to spread the melted chocolate evenly over the toffee.
7. Add Toppings
If desired, sprinkle the melted chocolate with chopped nuts or a light dusting of sea salt for extra flavor and texture.
8. Chill
Place the baking sheet in the refrigerator or freezer to allow the toffee to set. It should take about 1-2 hours to fully harden.
9. Break and Serve
Once the toffee is completely hardened, break it into pieces with your hands or a knife. Serve and enjoy!
