Whole Wheat Irish Soda Bread Muffins

Bahan-bahan (12 porsi)

• baking spray
• 1 cup white whole wheat flour
• 1 cup unbleached all-purpose flour
• 1/2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp kosher salt
• 3 tbsp chilled salted butter
• 1 cup 1% buttermilk
• 3 tbsp honey or agave
• 1 large egg (beaten)
• 3 oz raisins (about 2/3 cup)