S’more Bars

Name: S’more Bars
Prep time: 15 min
Total time: 15 min
Cuisine: American
Ingredients: 2 cups graham cracker crumbs (200 g); 8 tbsp unsalted butter, melted (113 g); 2 tbsp light brown sugar (optional, for extra hold); 0.25 tsp fine salt; 12 oz semisweet chocolate chips or chopped bars (340 g); 0.5 cup heavy cream (120 ml) or 2 tbsp coconut oil; 1 tsp vanilla extract (optional); 3 cups mini marshmallows (150 g) or 1 jar marshmallow creme (7 oz/200 g); crushed graham crackers, chocolate drizzle, flaky sea salt (optional, for finish)