Greek Yogurt Blackberry Muffins

INGREDIENTS

1 cup

white all-purpose flour*

1 tbsp

cornstarch

1/2 tbsp

baking powder

1/4 tsp

salt

and 1/4 cup FRESH blackberries (sliced in half, washed and completely dried)

large egg

1/4 cup

coconut oil (measured when melted and cooled to room temperature)

1 tsp

vanilla extract

1/2 cup

vanilla Greek yogurt* (at room temperature)

large orange

1/2 cup

white sugar

Optional: sprinkling sugar