Preheat your oven to 180 C / 350 F. Line a muffin tray with cupcake liners or butter and flour the cavities . This recipe makes 9 small muffins or 6 larger muffins
In a bowl , sift or whisk together all the dry ingredients - flour , salt , baking soda , baking powder.
In another bigger bowl , whisk together the egg , oil , peanut butter , milk and curd along with the sugar.
Add the dry ingredients to your wet mixture and fold with a spatula ONLY UNTIL combined.
Fold in the chocolate chips if using.
Divide the batter equally into the cavities of your prepared pan- an ice cream scoop makes this easy. Fill each cavity or liner 2/3 rds full.
Bake for 18 to 22 minutes if making 6 muffins ( smaller ) or 22- 25 minutes if making 9 muffins . The muffin will spring back if pressed on top and a toothpick inserted will come out clean.
Remove from oven and cool in pan for 5 minutes . Then remove from pan .
Enjoy warm or completely cool !