Brown Butter Pumpkin Spice Muffins

Ingredients: 1/2 cup unsalted butter 1/2 cup (105 g) light brown sugar 2 large eggs, room temperature 1 cup pure┬ácanned pumpkin 1/2 cup buttermilk, room temperature 1 teaspoon pure vanilla extract 2 cups (260 g) all-purpose flour 1 teaspoon baking powder 1/2 teaspoon baking soda 1 teaspoon pumpkin pie spice 1/4 teaspoon coarse salt generous…