Cookwith - Oatmeal Chocolate Chip Brown Butter Cookies

Ingredients

• 1 cup (2 sticks) unsalted butter
• 1 cup light brown sugar, packed
• 1/2 cup granulated sugar
• 2 large eggs
• 2 tsp pure vanilla extract
• 1 1/2 cups all-purpose flour
• 1 tsp baking soda
• 1/2 tsp fine sea salt
• 2 cups old-fashioned rolled oats
• 1 1/2 cups semisweet chocolate chips
• 1/2 cup chopped toasted walnuts (optional)