2 sticks (1/2 pound) salted butter, softened
1 1/2 cups brown sugar, packed
1/2 cup white sugar
2 whole large eggs
1 tablespoon vanilla extract
1 1/2 cups all-purpose flour
2 teaspoons kosher salt
1 teaspoon baking powder
1/2 teaspoon baking soda
1 1/2 cup oats (either quick or regular)
1 cup chocolate coated candies, such as M&M's
3/4 cup chocolate chips (milk or semisweet)
1/2 cup pecans, chopped
2 1/4 cups rice cereal, such as Rice Krispies
Cold milk, for serving