Nutella-Layered-and-Swirled Peanut Butter Bread {Peanut Butter Loaf Cake}

INGREDIENTS

large egg

3/4 cup

buttermilk

1/2 cup

light brown sugar, packed

heaping 1/3 cup creamy peanut butter

1/4 cup

granulated sugar

1/4 cup

coconut oil, melted (canola or vegetable oil may be substituted)

1 tbsp

vanilla extract

1 1/2 cups

all-purpose flour

1 tsp

baking soda

salt, optional and to taste

about 2/3 cup Nutella for layering inside the loaf

about 1/4 cup Nutella for swirling on top the loaf