Toasted Semolina Muffins with Honey and Butter

Name: Toasted Semolina Muffins with Honey and Butter
Ingredients: 1 cup (5 1/2 oz./157 g) semolina flour, plus more for dusting; 8 Tbs. (1 stick) (4 oz./125 g) unsalted butter, melted and cooled slightly; 1/3 cup (2 1/2 oz./67 g) firmly packed dark brown sugar; 2 Tbs. honey, preferably local, plus more for serving; 1 egg, at room temperature; 1 cup (8 fl. oz./240 ml) buttermilk, at room temperature; 1 cup (4 1/4 oz./120 g) all-purpose flour; 1 tsp. baking powder; 3/4 tsp. baking soda; 1 tsp. kosher salt; Flaky sea salt; Salted butter, at room temperature, for serving