Follow these easy steps to create your Chewy S’mores Bars:

1. Preheat Oven: Start by preheating your oven to 350°F (175°C). Grease a 9×13-inch baking pan or line it with parchment paper.

2. Mix Crust Ingredients: In a medium bowl, combine graham cracker crumbs and melted butter. Mix until well-combined.

3. Form the Base: Press the graham cracker mixture firmly into the bottom of the prepared baking pan to create a uniform base.

4. Prepare Filling: In a large bowl, whisk together the granulated sugar, brown sugar, egg, vanilla extract, baking powder, and salt until well combined.

5. Add Chocolate: Gently fold in the mini marshmallows and chocolate chips into the mixture.

6. Spread Filling: Pour the filling over the graham cracker crust, spreading it evenly.

7. Bake: Place the pan in the oven and bake for 25-30 minutes or until the top is golden and set.

8. Cool the Bars: Remove from the oven and let cool in the pan for about 30 minutes before cutting into squares.

9. Serve: Once cooled, cut into bars and serve immediately or store them in an airtight container.

These simple steps ensure that your Chewy S’mores Bars turn out perfectly every time!