Christmas Cookie Bars - Festive and Easy Holiday Treats - Recipes by Clare

Ingredients

• 1 cup unsalted butter, melted.
• 1 cup brown sugar, packed.
• ½ cup granulated sugar.
• 2 large eggs.
• 2 tsp vanilla extract.
• 2 ½ cups all-purpose flour.
• 1 tsp baking soda.
• ½ tsp salt.
• 1 cup red and green M&Ms.
• ½ cup white chocolate chips.