Rocky Ledge Bars Recipe | Epicurious

Ingredients

• 2 1/4 cups all-purpose flour
• 2 1/4 teaspoons baking powder
• 1 teaspoon coarse salt
• 1/2 cup (1 stick) unsalted butter, room temperature, plus more for pan
• 1 1/2 cups packed dark brown sugar
• 3 large eggs
• 1 teaspoon pure vanilla extract
• 1 cup miniature marshmallows
• 1 cup semisweet chocolate, coarsely chopped
• 1 cup white chocolate, coarsely chopped
• 1 cup butterscotch chips
• 18 soft caramel-candy cubes, coarsely chopped