Blueberry Muffins

1 sticks unsalted butter
2 cups all-purpose flour
1.5 t baking powder
1/2 t salt
2 cups fresh blueberries
1 cup sugar
2 large eggs
2 t vanilla extract
½ cup milk

Preheat to 375. Butter pan & dust with flour. Whisk flour, baking powder, & salt. Toss blueberries with flour. Beat butter & sugar on med-high until light & fluffy (3 minutes). Add eggs one at a time & mix until combined. Mix in vanilla. Add flour on low until just combined. Add milk; fold in blueberries. Bake, rotating pan ½-way through, about 30 minutes total.