Brown Butter Oatmeal Chocolate Chip Cookies with Springtime Chips

1 cup salted butter (2 sticks)

1/2 cup granulated white sugar

1 cup firmly packed light brown sugar

2 eggs

1 Tbsp. vanilla extract

1 1/2 cups all-purpose flour

2 cups old-fashioned rolled oats

1 tsp. baking soda

½ tsp. salt

1 bag 10oz-11oz favorite baking chips or M&Ms

1/2 cup semi-sweet chocolate chunks or chips