Preheat oven, 400F (200C). Whisk together milk, eggs, butter, and vanilla.
2
Mix in flour, brown sugar, baking powder, baking soda, spice, and salt. Stir until combined then fold in berries. Spoon batter into muffin pans then sprinkle with turbinado sugar.
3
Bake about 20 min, or until an inserted toothpick comes out clean.