1 cup (140g) fresh blueberries
1/4 cup (60mL) low-fat buttermilk
2 tbsp. (30mL) honey
3/4 cup (200g) mashed banana (about 2 medium)
1/4 cup (60g) plain nonfat Greek yogurt
1 1/2 tsp. vanilla extract
2 large egg whites, room temperature
1/2 tbsp. unsalted butter or coconut oil, melted and cooled slightly
1/4 tsp. salt
1/2 tsp. baking soda
1 tsp. baking powder
2 cups (240g) whole wheat or gluten-free* flour