Chocolate Chip Caramel Bars - Easy, Chewy, and Decadent

Ingredients

• 1 cup unsalted butter, melted.
• 1 cup brown sugar, packed.
• 1/2 cup granulated sugar.
• 2 large eggs.
• 2 tsp vanilla extract.
• 2 1/4 cups all-purpose flour.
• 1/2 tsp baking soda.
• 1/4 tsp salt.
• 2 cups chocolate chips (semi-sweet or milk chocolate).
• 1 cup caramel sauce (store-bought or homemade).
• 1/2 cup chopped pecans (optional).