Step 1

Preheat the oven to 375°F (190°C), or 170°C for a fan oven. Line a 9×5 inch (approx 23x13 cm) loaf pan with parchment paper.

Step 2

In a bowl, combine flour with baking powder, salt and sugar. Whisk to combine. To the same bowl add an egg, milk and peanut butter and whisk again until combined.

Step 3

Pour the batter into the prepared loaf pan.

Step 4

Place the loaf pan in the oven and bake for approximately 50-60 minutes, or until a toothpick inserted in the center comes out clean or with a few moist crumbs.

Step 5

Cool in the pan for 10 minutes, then invert on a wire rack to cool completely.