Crack the eggs into the blender along with oil and salt. Blend for 10 seconds.
Add the flour and baking powder to the blender and pulse for 2 seconds, just until it comes together. Don't over blend. OR add the flour and baking powder to a bowl. Combine the wet and dry ingredients and bring the batter together gently with a spatula.
Pour into the loaf pan. Bake for 45-50 mins, or until a toothpick inserted into the centre comes out clean.
Cool completely before slicing. Refrigerate any remaining slices for up to 3 days.